docs: Creating a Change Log Template File

Creating a Change Log Template for ALL to update with relevant
new features, changes, fixes and known issues for each upcoming
release of Trusted Firmware-A.

The contents of this file should be added to the collective change log
at the time of release code freeze.
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Change-Id: Idfbdcef0d40b10312dc88b6e1cbe31856fda887e

docs/change-log-upcoming.rst

+Change Log for Upcoming Release
+===============================
+
+This document contains a summary of the new features, changes, fixes and known
+issues to be included in the upcoming release of Trusted Firmware-A. The contents
+of this file will be moved to the collective change-log.rst file at the time of
+release code freeze.
+
+
+Upcoming Release Version 2.3
+----------------------------
+
+**Trusted Firmware-A Contributors,
+Please log all relevant new features, changes, fixes, and known issues for the
+upcoming release.  For the CPU support, drivers, and tools sections please preface
+the log description with the relevant key word, example: "<CPU>: <CPU Support
+addition>".  Use the RST format convention already used in the Change Log.**
+
+New Features
+^^^^^^^^^^^^
+
+- Arm Architecture
+   - Example: "Add support for Branch Target Identification (BTI)"
+
+- Build System
+   - Example: "Add support for default stack-protector flag"
+
+- CPU Support
+   - Example: "cortex-a55: Workaround for erratum 1221012"
+
+- Drivers
+   - Example: "console: Allow the console to register multiple times"
+
+- Libraries
+   - Example: "Introduce BTI support in Library at ROM (romlib)"
+
+- New Platforms Support
+   - Example: "qemu/qemu_sbsa: New platform support added for QEMU SBSA platform"
+
+- Platforms
+   - Example: "arm/common: Introduce wrapper functions to setup secure watchdog"
+
+- PSCI
+   - Example: "Adding new optional PSCI hook ``pwr_domain_on_finish_late``"
+
+- Security
+   - Example: "UBSAN support and handlers"
+
+- Tools
+   - Example: "fiptool: Add support to build fiptool on Windows."
+
+
+Changed
+^^^^^^^
+
+- Arm Architecture
+   - Example: "Refactor ARMv8.3 Pointer Authentication support code"
+
+- BL-Specific
+   - Example: "BL2: Invalidate dcache build option for BL2 entry at EL3"
+
+- Boot Flow
+   - Example: "Add helper to parse BL31 parameters (both versions)"
+
+- Drivers
+   - Example: "gicv3: Prevent pending G1S interrupt from becoming G0 interrupt"
+
+- Platforms
+   - Example: "arm/common: Shorten the Firmware Update (FWU) process"
+
+- PSCI
+   - Example: "PSCI: Lookup list of parent nodes to lock only once"
+
+- Secure Partition Manager (SPM)
+   - Example: "Move shim layer to TTBR1_EL1"
+
+- Security
+   - Example: "Refactor SPSR initialisation code"
+
+- Tools
+   - Example: "cert_create: Remove RSA PKCS#1 v1.5 support"
+
+
+Resolved Issues
+^^^^^^^^^^^^^^^
+
+- Arm Architecture
+   - Example: "Fix restoration of PAuth context"
+
+- BL-Specific
+   - Example: "Fix BL31 crash reporting on AArch64 only platforms"
+
+- Build System
+   - Example: "Remove several warnings reported with W=2 and W=1"
+
+- Code Quality
+   - Example: "Unify type of "cpu_idx" across PSCI module"
+
+- CPU Support
+   - Example: "cortex-a12: Fix MIDR mask"
+
+- Drivers
+   - Example: "scmi: Fix wrong payload length"
+
+- Library Code
+   - Example: "libc: Fix memchr implementation"
+
+- Platforms
+   - Example: "rpi: rpi3: Fix compilation error when stack protector is enabled"
+
+- Security
+   - Example: "AArch32: Disable Secure Cycle Counter"
+
+Deprecations
+^^^^^^^^^^^^
+
+- Common Code
+   - Example: "Remove MULTI_CONSOLE_API flag and references to it"
+
+- Drivers
+   - Example: "console: Remove deprecated finish_console_register"
+
+- Secure Partition Manager (SPM):
+   - Example: "Prototype SPCI-based SPM (services/std_svc/spm) will be replaced
+     with alternative methods of secure partitioning support."
+
+Known Issues
+^^^^^^^^^^^^
+
+- Build System
+   - dtb: DTB creation not supported when building on a Windows host.
+
+     This step in the build process is skipped when running on a Windows host. A
+     known issue from the 1.6 release.
+
+- Platforms
+   - arm/juno: System suspend from Linux does not function as documented in the
+     user guide
+
+     Following the instructions provided in the user guide document does not
+     result in the platform entering system suspend state as expected. A message
+     relating to the hdlcd driver failing to suspend will be emitted on the
+     Linux terminal.
+
+   - mediatek/mt6795: This platform does not build in this release