x86: use rdtscll in read_current_timer for i386.

This way we achieve the same code for both arches.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 file changed