msm_serial: Fix UIM driver configuration

MASK_RX bit is set to prevent transmitted data from looped back.
Set the TX and RX mode to T=0 mode; not T=1 mode.

Change-Id: Ida78fb56cf4b51c0fa88cb57da58c0dcc5db51c9
Acked-by: Ho Lee <holee@qualcomm.com>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index c483bb45..a5235ba 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -503,11 +503,10 @@
 
 	if (msm_port->uim) {
 		msm_write(port,
-			UART_SIM_CFG_UIM_TX_MODE |
-			UART_SIM_CFG_UIM_RX_MODE |
 			UART_SIM_CFG_STOP_BIT_LEN_N(1) |
 			UART_SIM_CFG_SIM_CLK_ON |
 			UART_SIM_CFG_SIM_CLK_STOP_HIGH |
+			UART_SIM_CFG_MASK_RX |
 			UART_SIM_CFG_SIM_SEL,
 			UART_SIM_CFG);