platform: apq8084: Add rgb & mixer base addresses

rgb0, rgb1, layer_mixer0 and layer_mixer1 base addresses
are changed for MDP5.3 hardware. This change is specific to
APQ8084 target.

Change-Id: I63f32db6c3f0a140daf8f555ce52603dffa7cd28
diff --git a/platform/apq8084/include/platform/iomap.h b/platform/apq8084/include/platform/iomap.h
index a30fcb7..09485e0 100644
--- a/platform/apq8084/include/platform/iomap.h
+++ b/platform/apq8084/include/platform/iomap.h
@@ -166,6 +166,11 @@
 #define VIDEO_MODE_VSYNC            0x034
 #define VIDEO_MODE_VSYNC_VPOS       0x038
 
+#define MDP_VP_0_RGB_0_BASE         REG_MDP(0x2200)
+#define MDP_VP_0_RGB_1_BASE         REG_MDP(0x2600)
+#define MDP_VP_0_MIXER_0_BASE       REG_MDP(0x3A00)
+#define MDP_VP_0_MIXER_1_BASE       REG_MDP(0x3E00)
+
 #define DMA_CMD_OFFSET              0x048
 #define DMA_CMD_LENGTH              0x04C