fix(gicv3): update the affinity mask to 8 bit

The GIC ICC_SGI0R_EL1 register's affinity fields are 8bit wide for GIC
v3 and v4. Fix the SGIR_AFF_MASK variable accordingly.

Change-Id: I09f3fdd006708b40162776620f82abcfc6c3f782
Signed-off-by: Pranav Madhu <pranav.madhu@arm.com>
1 file changed