KVM: x86 emulator: fix 'mov rm,sreg' instruction decoding

The source operand of 'mov rm,sreg' is segment register, not
general-purpose register, so remove SrcReg from decoding.
Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>

arch/x86/kvm/emulate.c

@@ -169,7 +169,7 @@ static u32 opcode_table[256] = {
 	/* 0x88 - 0x8F */
 	ByteOp | DstMem | SrcReg | ModRM | Mov, DstMem | SrcReg | ModRM | Mov,
 	ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
-	DstMem | SrcReg | ModRM | Mov, ModRM | DstReg,
+	DstMem | SrcNone | ModRM | Mov, ModRM | DstReg,
 	ImplicitOps | SrcMem16 | ModRM, Group | Group1A,
 	/* 0x90 - 0x97 */
 	DstReg, DstReg, DstReg, DstReg,	DstReg, DstReg, DstReg, DstReg,