intel/fsp1_1: Add C entry support to locate FSP Temp RAM Init

FSP temp ram init was getting called earlier from ROMCC bootblock.
Now with C entry boot block, it is needed to locate FSP header and
call FspTempRamInit.

Hence add fsp 1_1 driver code to locate FSP Temp ram and execute.

BUG=chrome-os-partner:55357
BRANCH=none
TEST=Built kunimitsu and ensure FSP Temp Ram Init return success

Change-Id: If40b267777a8dc5c473d1115b19b98609ff3fd74
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/15787
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
4 files changed