KVM: VMX: Reorder some skip_emulated_instruction calls

The functions being moved ahead of skip_emulated_instruction here don't
need updated IPs, and skipping the emulated instruction at the end will
make it easier to return its value.

Signed-off-by: Kyle Huey <khuey@kylehuey.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>