CRIS: v32: Correct address for romfs in the image

Is after __bss_start, not __vmlinux_end
Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>

arch/cris/arch-v32/kernel/head.S

@@ -367,7 +367,7 @@ _no_romfs_in_flash:
 	;; For jffs2, a jhead is prepended which contains with magic and length.
 	;; The jhead is not part of the jffs2 partition however.
 #ifndef CONFIG_ETRAXFS_SIM
-	move.d	__vmlinux_end, $r0
+	move.d	__bss_start, $r0
 #else
 	move.d	__end, $r0
 #endif