KVM/x86: Fix wrong macro references of X86_CR0_PG_BIT and X86_CR4_PAE_BIT in kvm_vali...

KVM/x86: Fix wrong macro references of X86_CR0_PG_BIT and X86_CR4_PAE_BIT in kvm_valid_sregs()

kvm_valid_sregs() should use X86_CR0_PG and X86_CR4_PAE to check bit
status rather than X86_CR0_PG_BIT and X86_CR4_PAE_BIT. This patch is
to fix it.

Fixes: f29810335965a(KVM/x86: Check input paging mode when cs.l is set)
Reported-by: Jeremi Piotrowski <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Radim Krčmář <[email protected]>
Signed-off-by: Tianyu Lan <[email protected]>
Signed-off-by: Radim Krčmář <[email protected]>