KVM: arm64: Remove unneeded semicolons

KVM: arm64: Remove unneeded semicolons

Fix the following coccicheck review:
./arch/arm64/kvm/psci.c: 379: 3-4: Unneeded semicolon

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
[maz: squashed another instance of the same issue in the patch]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220223092750.1934130-1-deng.changcheng@zte.com.cn
Link: https://lore.kernel.org/r/20220225122922.GA19390@willie-the-truck