KVM: arm64: Convert MDCR_EL2 RES0 handling to compute_reg_res0_bits()

While MDCR_EL2 cannot be RES0, convert it to the same infrastructure
anyway, as it make things cleaner.

Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2025-09-18 16:14:02 +01:00
commit ac53365990