Repair initramfs dependancies after move to fs

The restructure for building root filesystems changed the target name
for the initramfs file, to build the file the trget is now
initramfs-root but the generated file is rootfs.initramfs

Signed-off-by: Will Wagner <will_wagner@carallon.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

fs/initramfs/initramfs.mk

@@ -6,6 +6,12 @@
 #
 #############################################################
 
+ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
+INITRAMFS_TARGET:=initramfs-root
+else
+INITRAMFS_TARGET:= #nothing
+endif
+
 define ROOTFS_INITRAMFS_INIT_SYMLINK
 	rm -f $(TARGET_DIR)/init
 	ln -s sbin/init $(TARGET_DIR)/init

target/linux/Makefile.in

@@ -153,7 +153,7 @@ endif
 	$(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
 	$(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
 ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
-	echo "CONFIG_INITRAMFS_SOURCE=\"$(INITRAMFS_TARGET)\"" >> \
+	echo "CONFIG_INITRAMFS_SOURCE=\"$(BINARIES_DIR)/rootfs.initramfs\"" >> \
 		$(LINUX26_DIR)/.config
 	echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
 	echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config

target/linux/Makefile.in.advanced

@@ -344,7 +344,7 @@ endif
 	$(SED) '/CONFIG_INITRAMFS_SOURCE/d' $(LINUX26_DIR)/.config
 	$(SED) '/INITRAMFS_ROOT_.ID/d' $(LINUX26_DIR)/.config
 ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
-	echo "CONFIG_INITRAMFS_SOURCE=\"$(INITRAMFS_TARGET)\"" >> \
+	echo "CONFIG_INITRAMFS_SOURCE=\"$(BINARIES_DIR)/rootfs.initramfs\"" >> \
 		$(LINUX26_DIR)/.config
 	echo "CONFIG_INITRAMFS_ROOT_UID=0" >> $(LINUX26_DIR)/.config
 	echo "CONFIG_INITRAMFS_ROOT_GID=0" >> $(LINUX26_DIR)/.config