KVM/x86: Use SVM assembly instruction mnemonics instead of .byte streams

Recently the minimum required version of binutils was changed to 2.20,
which supports all SVM instruction mnemonics. The patch removes
all .byte #defines and uses real instruction mnemonics instead.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>