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Enforce full include path for includes. Deprecate old paths.

The following folders inside include/lib have been left unchanged:

- include/lib/cpus/${ARCH}
- include/lib/el3_runtime/${ARCH}

The reason for this change is that having a global namespace for
includes isn't a good idea. It defeats one of the advantages of having
folders and it introduces problems that are sometimes subtle (because
you may not know the header you are actually including if there are two
of them).

For example, this patch had to be created because two headers were
called the same way: e0ea0928 ("Fix gpio includes of mt8173 platform
to avoid collision."). More recently, this patch has had similar
problems: 46f9b2c3 ("drivers: add tzc380 support").

This problem was introduced in commit 4ecca339

 ("Move include and
source files to logical locations"). At that time, there weren't too
many headers so it wasn't a real issue. However, time has shown that
this creates problems.

Platforms that want to preserve the way they include headers may add the
removed paths to PLAT_INCLUDES, but this is discouraged.

Change-Id: I39dc53ed98f9e297a5966e723d1936d6ccf2fc8f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Mark the GICv3, CCI and CCN code only used in Bl31 initialization
with __init to be reclaimed once no longer needed.

Change-Id: I3d77f36758450d9d1d87ecc60bc1c63fe4082667
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>

Change-Id: I2954a99d5b72069bcb7bac9d6926c6209d6ba881
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Use a _ prefix for Macro arguments to prevent that argument from
hiding variables of the same name in the outer scope

Rule 5.3: An identifier declared in an inner scope shall not
          hide an identifier declared in an outer scope

Fixed For:
    make LOG_LEVEL=50 PLAT=fvp

Change-Id: I67b6b05cbad4aeca65ce52981b4679b340604708
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>

The driver has only one API: to initialize an SMMUv3 device. This
operates on a device that implements secure state, by invalidating
secure caches and TLBs.

Change-Id: Ief32800419ddf0f1fe38c8f0da8f5ba75c72c826
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>