x86: don't use size specifiers.

Remove the "l" from inline asm at arch/x86/lib/delay_32.c.
It is not needed.

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>