KVM: x86: Simplify kvm_apic_hw_enabled

kvm_apic_hw_enabled() only needs to return bool, there is no place
to use the return value of MSR_IA32_APICBASE_ENABLE.
Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Message-Id: <CAPm50aJ=BLXNWT11+j36Dd6d7nz2JmOBk4u7o_NPQ0N61ODu1g@mail.gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/lapic.h

@@ -188,11 +188,11 @@ static inline bool lapic_in_kernel(struct kvm_vcpu *vcpu)
 
 extern struct static_key_false_deferred apic_hw_disabled;
 
-static inline int kvm_apic_hw_enabled(struct kvm_lapic *apic)
+static inline bool kvm_apic_hw_enabled(struct kvm_lapic *apic)
 {
 	if (static_branch_unlikely(&apic_hw_disabled.key))
 		return apic->vcpu->arch.apic_base & MSR_IA32_APICBASE_ENABLE;
-	return MSR_IA32_APICBASE_ENABLE;
+	return true;
 }
 
 extern struct static_key_false_deferred apic_sw_disabled;