soc/intel/meteorlake: Enable early caching of TOM region

Intel Meteor Lake decides to enable early caching of the TOM region to
optimize the boot time by selecting `SOC_INTEL_COMMON_BASECODE_TOM`
config.

TEST=Able to build and boot google/rex to ChromeOS and reduce the boot
time by 77 ms.

Without this patch:
  950:calling FspMemoryInit               936,811 (19,941)
  951:returning from FspMemoryInit        1,041,935 (105,123)

With this patch:
  950:calling FspMemoryInit               905,108 (20,103)
  951:returning from FspMemoryInit        964,038 (59,929)

Change-Id: Iebb3485b052386b43d5bccd67a04e6115cbcc20d
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73274
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/meteorlake/Kconfig

@@ -83,6 +83,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_XHCI
 	select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
 	select SOC_INTEL_COMMON_BASECODE
+	select SOC_INTEL_COMMON_BASECODE_TOM
 	select SOC_INTEL_COMMON_FSP_RESET
 	select SOC_INTEL_COMMON_PCH_CLIENT
 	select SOC_INTEL_COMMON_RESET