soc/intel/cmn/sa: Refactor SA common code

Leverages common SA header definitions for Host Bridge registers.
Renames DSM_BASE_ADDR_REG to BDSM and DPR_REG to DPR for brevity.

Additionally, made some minor code alignment corrections while
adding newer macros in the header file.

TEST= Build and boot successful on google/screebo.

Change-Id: I476f213d75a0978336b3749a5ba1499107eb2238
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80361
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: sridhar siricilla <siricillasridhar@gmail.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>

0 files changed, 0 insertions, 0 deletions