drivers: Remove unused <cbmem.h>

Change-Id: I1d4473d297871b2bc8b614926bcf7390660a3d0d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/drivers/intel/fsp1_1/ramstage.c

@@ -11,7 +11,6 @@
 #include <stage_cache.h>
 #include <string.h>
 #include <timestamp.h>
-#include <cbmem.h>
 
 static void display_hob_info(FSP_INFO_HEADER *fsp_info_header)
 {

src/drivers/spi/cbfs_spi.c

@@ -11,7 +11,6 @@
 #include <console/console.h>
 #include <spi_flash.h>
 #include <symbols.h>
-#include <cbmem.h>
 #include <stdint.h>
 #include <timer.h>