nb/intel/x4x/rcven.c: Fix programming coarse offset

This fixes some bitwise logic errors that caused the coarse offset not
to be programmed.

This fixes a regression introduced by 6d7a8c
"nb/intel/x4x/raminit: Rework receive enable calibration"
where the coarse offset doesn't get programmed anymore.

TESTED on Foxconn g41s-k on a DIMM where the final DQS receive enable
delays are close but above and below the edge of a coarse delay setting.

Change-Id: I41869815f782a2ea1178bdea006e3a7587441323
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/22816
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
1 file changed