nb/intel/x4x: Fix programming CxDRB
Programming CxDRB should be cumulative as explained in "Intel ® 4
Series Chipset Family datasheet".
This does not seem to have any real impact but better do according to
the documentation and what vendor firmware does.
This also removes some dead code.
Signed-off-by: Arthur Heymans <email@example.com>
Reviewed-by: Felix Held <firstname.lastname@example.org>
Tested-by: build bot (Jenkins) <email@example.com>
1 file changed