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

arch/arm64/kvm/psci.c

@@ -376,7 +376,7 @@ static int kvm_psci_1_x_call(struct kvm_vcpu *vcpu, u32 minor)
 				ret = 0;
 			}
 			break;
-		};
+		}
 		fallthrough;
 	default:
 		return kvm_psci_0_2_call(vcpu);
@@ -438,7 +438,7 @@ int kvm_psci_call(struct kvm_vcpu *vcpu)
 		return kvm_psci_0_1_call(vcpu);
 	default:
 		return -EINVAL;
-	};
+	}
 }
 
 int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu)