plat/qemu: include gicv2.mk

The build now gives deprecation warnings for including
drivers/arm/gic/common/gic_common.c directly. Move to including the
common gicv2 sources via gicv2.mk instead - which also matches the
pattern already used for gicv3.

Change-Id: I5332fb52c5801272e5e2bb6111f96087b4894325
Signed-off-by: Leif Lindholm <leif@nuviainc.com>
1 file changed