feat(realm): set the PMU IRQ number depending on GIC version

Despite the PPI number being the same, the INTID is different - it needs
to be labelled as PPI on GICv5. Add a helper to switch this.

Change-Id: I600ab121135b0826f8405202de222943392c36ec
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
1 file changed