grub/grub2: update splash image location

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/grub/grub.mk

@@ -11,7 +11,7 @@ GRUB_CAT:=$(ZCAT)
 GRUB_DIR:=$(BUILD_DIR)/grub-0.97
 GRUB_BINARY:=grub/grub
 GRUB_TARGET_BINARY:=sbin/grub
-GRUB_SPLASHIMAGE=$(TOPDIR)/target/x86/grub/splash.xpm.gz
+GRUB_SPLASHIMAGE=$(TOPDIR)/boot/grub/splash.xpm.gz
 
 
 GRUB_CFLAGS=-DSUPPORT_LOOPDEV

boot/grub2/grub2.mk

@@ -11,7 +11,7 @@ GRUB2_CAT:=$(ZCAT)
 GRUB2_DIR:=$(BUILD_DIR)/grub-1.95
 GRUB2_BINARY:=grub2/grub2
 GRUB2_TARGET_BINARY:=sbin/grub2
-GRUB2_SPLASHIMAGE=$(TOPDIR)/target/x86/grub/splash.xpm.gz
+GRUB2_SPLASHIMAGE=$(TOPDIR)/boot/grub/splash.xpm.gz
 
 
 GRUB2_CFLAGS=-DSUPPORT_LOOPDEV