ARM: axxia-gic: Fix support for kernel 5.10

commit  52bedddd7bff3909655b861a4e455a69942ece0d from
https://github.com/axxia/linux-yocto.git v5.10/standard/preempt-rt/axxia-dev/base

Fix support for kernel 5.10 on Intel Axxia GIC driver.

Signed-off-by: Mikael Beckius <mikael.beckius@windriver.com>
Signed-off-by: Daniel Dragomir <Daniel.Dragomir@windriver.com>
Signed-off-by: John Jacques <john.jacques@intel.com>
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>