KVM: x86 emulator: cmc, clc, cli, sti

Instruction: cmc, clc, cli, sti
opcodes: 0xf5, 0xf8, 0xfa, 0xfb respectively.

[avi: fix reference to EFLG_IF which is not defined anywhere]

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>