mb/clevo/cml-u: Move bootblock.c and ramstage.c to mb level

Change-Id: Ifca49c656f259b08fb8ab47fe36e93c146f25266
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47834
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/mainboard/clevo/cml-u/Makefile.inc

@@ -1,4 +1,8 @@
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
 
+bootblock-y += bootblock.c
+
+ramstage-y += ramstage.c
 ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
+
 subdirs-y += variants/$(VARIANT_DIR)

src/mainboard/clevo/cml-u/variants/l140cu/Makefile.inc

@@ -1,4 +1,2 @@
-bootblock-y += bootblock.c
 romstage-y += romstage.c
-ramstage-y += ramstage.c
 SPD_SOURCES  = samsung-K4AAG165WA-BCTD