UPSTREAM: KVM: arm64: Fix new instances of 32bit ESRs

Fix the new instances of ESR being described as a u32, now that
we consistently are using a u64 for this register.

Signed-off-by: Marc Zyngier <maz@kernel.org>
(cherry picked from commit ee87a9bd)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 233587962
Bug: 233588291
Change-Id: If69c9168cde9605a21a691b860d5b3ec6d049225