arch/x86: Drop uses of ROMCC_BOOTBLOCK

Change-Id: Ia0405fdd448cb31b3c6ca3b3d76e49e9f430bf74
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

src/cpu/x86/Kconfig

@@ -77,7 +77,6 @@ config XIP_ROM_SIZE
 
 config SETUP_XIP_CACHE
 	bool
-	depends on !ROMCC_BOOTBLOCK
 	depends on !NO_XIP_EARLY_STAGES
 	help
 	  Select this option to set up an MTRR to cache XIP stages loaded