arch/x86: Make RELOCATABLE_RAMSTAGE the default

No need to provide an option to try disable this.

Also remove explicit ´select RELOCATABLE_MODULES'
lines from platform Kconfigs.

Change-Id: I5fb169f90331ce37b4113378405323ec856d6fee
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26815
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/soc/intel/apollolake/Kconfig

@@ -40,7 +40,7 @@ config CPU_SPECIFIC_OPTIONS
 	# Misc options
 	select C_ENVIRONMENT_BOOTBLOCK
 	select CACHE_MRC_SETTINGS
-	select CACHE_RELOCATED_RAMSTAGE_OUTSIDE_CBMEM if RELOCATABLE_RAMSTAGE
+	select CACHE_RELOCATED_RAMSTAGE_OUTSIDE_CBMEM
 	select COLLECT_TIMESTAMPS
 	select COMMON_FADT
 	select FSP_PLATFORM_MEMORY_SETTINGS_VERSIONS
@@ -62,7 +62,6 @@ config CPU_SPECIFIC_OPTIONS
 	select POSTCAR_STAGE
 	select PMC_INVALID_READ_AFTER_WRITE
 	select REG_SCRIPT
-	select RELOCATABLE_RAMSTAGE	# Build fails if this is not selected
 	select RTC
 	select SMM_TSEG
 	select SA_ENABLE_IMR