fix(build): include platform mk earlier
Move platform.mk inclusion in top level Makefile to permit a platform
specifying BRANCH_PROTECTION option.
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I1f662f82cd949eedfdbb61b9f66de15c46fb3106
diff --git a/docs/porting-guide.rst b/docs/porting-guide.rst
index 5cb20fd..671648d 100644
--- a/docs/porting-guide.rst
+++ b/docs/porting-guide.rst
@@ -2454,7 +2454,7 @@
The value should be obtained from a reliable source of randomness.
This function is only needed if ARMv8.3 pointer authentication is used in the
-Trusted Firmware by building with ``BRANCH_PROTECTION`` option set to non-zero.
+Trusted Firmware by building with ``BRANCH_PROTECTION`` option set to 1, 2 or 3.
Function : plat_get_syscnt_freq2() [mandatory]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~