feat(rdfremont): enable MPAM if present on the platform

Set build-option ENABLE_FEAT_MPAM to 2 so that access to MPAM related
registers from lower ELs don't trap to EL3.

Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Change-Id: I4c5753c415461e5ffc79e371ae00cc6e6dd087f9
1 file changed