power: Fix compiler warning.

Fix compiler warning for a variable not initialized

Change-Id: I1fa466bda4e03b60282d6ddc4d9d88666608d916
Signed-off-by: Jessica Gonzalez <jgaona@codeaurora.org>
diff --git a/drivers/power/smb349.c b/drivers/power/smb349.c
index 2784cc3..ffc92d5 100644
--- a/drivers/power/smb349.c
+++ b/drivers/power/smb349.c
@@ -244,7 +244,7 @@
 {
 	int addr = (int)data;
 	int ret;
-	u8 temp;
+	u8 temp = 0;
 
 	ret = smb349_read_reg(the_smb349_chg->client, addr, &temp);
 	if (ret) {