KVM: x86 emulator: Switch fastop src operand to RDX
KVM: x86 emulator: Switch fastop src operand to RDX

This makes OpAccHi useful.

Signed-off-by: Avi Kivity <cc1ebeab1b6d7e85e69e00ef453dbf27f35862bc@gmail.com>
Signed-off-by: Gleb Natapov <03189597947f75187c4136ade35aec34feed9dc1@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs