Fix some more print() format errors.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
index b30c6b1..db46953 100644
--- a/board/freescale/mpc8641hpcn/mpc8641hpcn.c
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -47,8 +47,8 @@
 
 int checkboard(void)
 {
-	printf ("Board: MPC8641HPCN, System ID: 0x%02lx, "
-		"System Version: 0x%02lx, FPGA Version: 0x%02lx\n",
+	printf ("Board: MPC8641HPCN, System ID: 0x%02x, "
+		"System Version: 0x%02x, FPGA Version: 0x%02x\n",
 		in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
 		in8(PIXIS_BASE + PIXIS_PVER));
 	return 0;