sde: wb: add changes to support Dedicated-CWB

Add new capture/tap point as CRTC property for
D-CWB feature. Update the hardware blocks and
corresponding APIs to configure D-CWB data path.
Add new hardware pingpong blocks that
are dedicated for CWB.

Change-Id: I22576df1768b50f9f47d8527f62913b01ff4d9a7
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>

msm/sde/sde_crtc.h

@@ -56,10 +56,12 @@ enum sde_crtc_client_type {
  * enum sde_crtc_output_capture_point
  * @MIXER_OUT : capture mixer output
  * @DSPP_OUT : capture output of dspp
+ * @CAPTURE_DEMURA_OUT : capture output of demura
  */
 enum sde_crtc_output_capture_point {
 	CAPTURE_MIXER_OUT,
-	CAPTURE_DSPP_OUT
+	CAPTURE_DSPP_OUT,
+	CAPTURE_DEMURA_OUT
 };
 
 /**