disp: msm: dp: create dp aux log ipc context at probe time

Currently the ipc context for drm_dp_aux is being created
during dp_aux_init. This limits the IPC logs to be only
readable when the external display is in connected state
and it gets destroyed on unplug. This change moves the
context creation to probe time and the aux context will
be passed to the aux driver during initialization.

Change-Id: Id8d26c907c9cb2fd8c89b2842b98e7a908816abe
Signed-off-by: Rajkumar Subbiah <quic_rsubbia@quicinc.com>

msm/dp/dp_display.h

@@ -51,6 +51,7 @@ struct dp_display {
 	u32 max_mixer_count;
 	u32 max_dsc_count;
 	void *dp_ipc_log;
+	void *dp_aux_ipc_log;
 
 	int (*enable)(struct dp_display *dp_display, void *panel);
 	int (*post_enable)(struct dp_display *dp_display, void *panel);