disp: msm: populate submode blob information

Mode information apart from the fields in
drm_mode_modeinfo that can trigger a modeset like
dsc-nondsc, video-cmd are defined in sub mode.
For each mode in connector->modes there can be
multiple submodes.

Change-Id: Ib8697d3fa4ea5261d9ac4943b1a4149e22c4da2f
Signed-off-by: Raviteja Tamatam <travitej@codeaurora.org>

msm/dsi/dsi_display.c

@@ -7150,7 +7150,7 @@ end:
 	return is_matching;
 }
 
-static bool dsi_display_mode_match(const struct dsi_display_mode *mode1,
+bool dsi_display_mode_match(const struct dsi_display_mode *mode1,
 		struct dsi_display_mode *mode2, unsigned int match_flags)
 {
 	if (!mode1 && !mode2)