tty: msm_geni_serial: Fix unitialized variable in set_termios

Fix an uninitialized variable in the set_termios() function.

Change-Id: I421352fec07eaa68c330ebe693fc8df72808ec65
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
diff --git a/drivers/tty/serial/msm_geni_serial.c b/drivers/tty/serial/msm_geni_serial.c
index a115f58..4d4fdf4 100644
--- a/drivers/tty/serial/msm_geni_serial.c
+++ b/drivers/tty/serial/msm_geni_serial.c
@@ -848,7 +848,7 @@
 	unsigned int stop_bit_len;
 	unsigned int rxstale;
 	unsigned int clk_div;
-	unsigned long ser_clk_cfg;
+	unsigned long ser_clk_cfg = 0;
 	struct msm_geni_serial_port *port = GET_DEV_PORT(uport);
 	unsigned long clk_rate;