QE: fix compile warning

qe.c: In function 'qe_upload_firmware':
qe.c:390: warning: pointer targets in passing argument 2
uec.c: In function 'uec_initialize':
uec.c:1236: warning: 'uec_info' may be used uninitialized

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index 44cbea5..6cb25bf 100644
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -1249,6 +1249,7 @@
 	memset(uec, 0, sizeof(uec_private_t));
 
 	/* Init UEC private struct, they come from board.h */
+	uec_info = NULL;
 	if (index == 0) {
 #ifdef CONFIG_UEC_ETH1
 		uec_info = &eth1_uec_info;