msm: sde: demura support for register dma

Demura block of dpu will use the register dma path for programming.
Change updates the register dma frame-work to allow programming of the
demura block.

Change-Id: Ie5a64df1b2fffcb84d9554e5211249892ed2d96d
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>

msm/sde/sde_reg_dma.h

@@ -59,6 +59,7 @@ enum sde_reg_dma_read_sel {
  * @LTM_ROI: LTM ROI
  * @LTM_VLUT: LTM VLUT
  * @RC_DATA: Rounded corner data
+ * @DEMURA_CFG: Demura feature
  * @REG_DMA_FEATURES_MAX: invalid selection
  */
 enum sde_reg_dma_features {
@@ -79,6 +80,7 @@ enum sde_reg_dma_features {
 	LTM_ROI,
 	LTM_VLUT,
 	RC_DATA,
+	DEMURA_CFG,
 	REG_DMA_FEATURES_MAX,
 };