refactor(rme): add helper macro for RME tests

This change adds SKIP_TEST_IF_RME_NOT_SUPPORTED_OR_RMM_IS_TRP macro that
checks if FEAT_RME is present and RMM is not TRP.

Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Change-Id: I100e713d8f4fce2826e60909580079834585fddb
3 files changed