nb/intel/x4x/raminit: Remove very long delay

It is not really known why there is such a long delay, but it works
fine without it.

TESTED on ga-g41m-es2l.

Change-Id: Idff5b978bbf161f8520d8000848e7b11c98c3945
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19514
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed