disp: msm: dp: fix compilation issues for dp

Add required changes to fix compilation errors
when dp driver is disabled.

Change-Id: I84de1268e5f9a892d838f35e27773566dc82ef03
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>

msm/dp/dp_drm.h

@@ -225,7 +225,8 @@ static inline void dp_connector_post_open(struct drm_connector *connector,
 {
 }
 
-static inline int dp_drm_bridge_init(void *display, struct drm_encoder *encoder)
+static inline int dp_drm_bridge_init(void *display, struct drm_encoder *encoder,
+		u32 max_mixer_count, u32 max_dsc_count)
 {
 	return 0;
 }