dev-arm: Gicv3.gicv4 parameter set to False by default

GICv4 features are not currently implemented so it is more natural
to set it to false by default

VExpress_GEM5_V2 platform assumes a GICv4 memory map therefore
sets it to True

Change-Id: Ib4bd17acd56cd029aacf5578ab0259a6ea1bb30c
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59390
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2 files changed