intel/i440bx: Resolve long standing raminit TODOs

Drop DRAMT write as it's only rewriting the power on default.

PMCR write is required. Update comment on its purpose and move to
end of sdram_enable().

Change-Id: I62e8b2531f0f297ffb7db440db89ffa65771b7d5
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38383
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions