powerpc/83xx/km: make local functions and structs static

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index ef93ed3..544784a 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -242,7 +242,7 @@
  *				application and in the init scripts (?)
  *	return 0 in case of match, 1 if not match or error
  */
-int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc,
+static int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc,
 			char *const argv[])
 {
 	unsigned long ivmbid = 0, ivmhwkey = 0;
@@ -383,7 +383,7 @@
  *  if the testpin of the board is asserted, return 1
  *  *	else return 0
  */
-int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
+static int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
 			char *const argv[])
 {
 	int testpin = 0;