Fix compilation warnings on a few 85xx boards.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/board/cds/mpc8548cds/mpc8548cds.c b/board/cds/mpc8548cds/mpc8548cds.c
index 41bcf88..7433ebf 100644
--- a/board/cds/mpc8548cds/mpc8548cds.c
+++ b/board/cds/mpc8548cds/mpc8548cds.c
@@ -329,7 +329,7 @@
 
 int last_stage_init(void)
 {
-	unsigned int temp;
+	unsigned short temp;
 
 	/* Change the resistors for the PHY */
 	/* This is needed to get the RGMII working for the 1.3+