fix(docs): put INIT_UNUSED_NS_EL2 docs back
Commit b65dfe40a removed the documentation for this flag in error. Put
it back.
Change-Id: I61a352553a010385997c47116b53d2fbe939ccd4
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 7d067c6..4a15efb 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -708,6 +708,10 @@
invert this behavior. Lower addresses will be printed at the top and higher
addresses at the bottom.
+- ``INIT_UNUSED_NS_EL2``: This build flag guards code that disables EL2
+ safely in scenario where NS-EL2 is present but unused. This flag is set to 0
+ by default. Platforms without NS-EL2 in use must enable this flag.
+
- ``KEY_ALG``: This build flag enables the user to select the algorithm to be
used for generating the PKCS keys and subsequent signing of the certificate.
It accepts 5 values: ``rsa``, ``rsa_1_5``, ``ecdsa``, ``ecdsa-brainpool-regular``