fdt_support: delete force argument of fdt_initrd()

After all, we have realized "force" argument is completely
useless. fdt_initrd() was always called with force = 1.

We should always want to do the same thing
(set appropriate value to the property)
even if the property already exists.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/microblaze/lib/bootm.c

@@ -58,7 +58,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
 	/* fixup the initrd now that we know where it should be */
 	if (images->rd_start && images->rd_end && of_flat_tree)
 		ret = fdt_initrd(of_flat_tree, images->rd_start,
-				 images->rd_end, 1);
+				 images->rd_end);
 		if (ret)
 			return 1;