fvp: add FEAT_PAuth and FEAT_BTI to the feature config

They are not built by default and this config aims to build every
feature.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I57af0518dd8d1bb14a8b0a90f512b94d213b331f
1 file changed