soc/intel/xeon_sp: move and rename set_cmos_mrc_cold_boot_flag

1. Rename set_cmos_mrc_cold_boot_flag() to soc_set_mrc_cold_boot_flag
   in case a certain platform may not support this via CMOS data, and
   the function could in turn calls mainboard defined method in the
   future. Move the code into soc_util.c.

2. Remove redundant static get_system_memory_map() from cpx/romstage.c
   and call the soc_util.c one.

Change-Id: Ib7d9bed9092814658f4a0b1d6dcf3c7d79178048
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72029
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>

0 files changed, 0 insertions, 0 deletions