soc,mb/intel: clean up remaining FSP2.0 socs/boards

Remove CONFIG_...FSP2.0 based if-switches from FSP2.0-only socs/boards

Change-Id: Iae92dc2e2328b14c78ac686aaf326bd68430933b
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36279
Reviewed-by: Michael Niewöhner
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/apollolake/Makefile.inc

@@ -22,7 +22,7 @@ bootblock-y += uart.c
 
 romstage-y += car.c
 romstage-y += ../../../cpu/intel/car/romstage.c
-romstage-$(CONFIG_PLATFORM_USES_FSP2_0) += romstage.c
+romstage-y += romstage.c
 romstage-y += gspi.c
 romstage-y += heci.c
 romstage-y += i2c.c