ARM: qcom: silence an uninitialized variable warning

It's harmless but, if "enable" isn't set, then we pass uninitialized
values to qcom_coincell_chgr_config().  The values aren't used, but
let's silence the warning anyway.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Tim Bird <tim.bird@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/qcom-coincell.c b/drivers/misc/qcom-coincell.c
index 7b4a2da..829a61d 100644
--- a/drivers/misc/qcom-coincell.c
+++ b/drivers/misc/qcom-coincell.c
@@ -94,7 +94,8 @@
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct qcom_coincell chgr;
-	u32 rset, vset;
+	u32 rset = 0;
+	u32 vset = 0;
 	bool enable;
 	int rc;