FROMGIT: KVM: arm64: Introduce print_nvhe_hyp_panic helper

Add a helper to display a panic banner soon to also be used for kCFI
failures, to ensure that we remain consistent.

Bug: 278010198
Bug: 278749606
(cherry picked from commit 8f3873a3
 https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git

 )
Change-Id: I7eff49dfbd97472206564bc9dce48ea8eb1cc9ef
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240610063244.2828978-8-ptosi@google.com


Signed-off-by: Oliver Upton <oliver.upton@linux.dev>