Replace "FLASH" strings with "Flash" or "flash"

There's no compelling reason to have the output on bootup or the
"flinfo" command print "flash" in uppercase, so use the proper case
where appropriate.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/arch/sh/lib/board.c b/arch/sh/lib/board.c
index cdac382..968566c 100644
--- a/arch/sh/lib/board.c
+++ b/arch/sh/lib/board.c
@@ -48,9 +48,9 @@
 	gd->bd->bi_flashsize = flash_init();
 
 	if (gd->bd->bi_flashsize >= (1024 * 1024))
-		printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
+		printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
 	else
-		printf("FLASH: %ldKB\n", gd->bd->bi_flashsize / 1024);
+		printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
 
 	return 0;
 }