Changelog updates for recent commits

Change-Id: I09191a51dd9ee673c54b422ba4eb35c46c6dc30e
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>

docs/change-log-upcoming.rst

@@ -29,6 +29,7 @@ New Features
 
 - CPU Support
    - Example: "cortex-a55: Workaround for erratum 1221012"
+   - Use Speculation Barrier instruction for v8.5+ cores
 
 - Drivers
    - Example: "console: Allow the console to register multiple times"
@@ -43,6 +44,8 @@ New Features
 - Platforms
    - Example: "arm/common: Introduce wrapper functions to setup secure watchdog"
    - plat/arm: Add support for the new `dualroot` chain of trust.
+   - plat/arm/fvp: Add support for fconf in BL31 and SP_MIN. Populate power
+     domain desciptor dynamically by leveraging fconf APIs.
 
 - PSCI
    - Example: "Adding new optional PSCI hook ``pwr_domain_on_finish_late``"
@@ -51,6 +54,7 @@ New Features
    - Example: "UBSAN support and handlers"
    - Add support for optional firmware encryption feature (experimental).
    - Introduce a new `dualroot` chain of trust.
+   - aarch32: stop speculative execution past exception returns.
 
 - Tools
    - Example: "fiptool: Add support to build fiptool on Windows."