disp: msm: dsi: increase cmd dma timeout to 1200 milliseconds

Change increases cmd dma timeout to 1200 milliseconds from 200 milliseconds.
There are video mode panels which can support one frame per second, if pixel
data transfer is active, then our command transfer timeout should be atleast
1000 msec.

Change-Id: I3e8269febe3ed6e55ac9381a8de35e7d19fa3160
Signed-off-by: Vara Reddy <quic_varar@quicinc.com>

msm/dsi/dsi_ctrl.c

@@ -25,7 +25,7 @@
 
 #define DSI_CTRL_DEFAULT_LABEL "MDSS DSI CTRL"
 
-#define DSI_CTRL_TX_TO_MS     200
+#define DSI_CTRL_TX_TO_MS     1200
 
 #define TO_ON_OFF(x) ((x) ? "ON" : "OFF")