FROMLIST: KVM: arm64: VHE: Mark __hyp_call_panic __noreturn

Given that the sole purpose of __hyp_call_panic() is to call panic(), a
__noreturn function, give it the __noreturn attribute, removing the need
for its caller to use unreachable().

Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>

Bug: 278010198
Link: https://lore.kernel.org/r/20240510112645.3625702-8-ptosi@google.com


Change-Id: Ie366649a3e8fffab9daaed7b59da400eb37a721a
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>