feat: disabling non volatile counters in diphda

At this stage of development Non Volatile counters are not implemented
in the Diphda platform.

This commit disables their use during the Trusted Board Boot by
overriding the NV counters get/set functions.

Change-Id: I8dcbebe0281cc4d0837c283ff637e20b850988ef
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
2 files changed