disp: msm: sde: add allowed_dsc_reservation_switch capability

This change adds allowed_dsc_reservation_switch to determine if
dsc seamless switch is supported for DP. Also, based on the
flag, it determines and populates the required number of
available resources for DP.

Change-Id: I9cd7219a50d352369c5bc8386ce7dc25c30b80b6
Signed-off-by: Raviteja Tamatam <travitej@codeaurora.org>

msm/dsi/dsi_panel.h

@@ -228,6 +228,7 @@ struct dsi_panel {
 	struct dsi_dfps_capabilities dfps_caps;
 	struct dsi_dyn_clk_caps dyn_clk_caps;
 	struct dsi_panel_phy_props phy_props;
+	bool dsc_switch_supported;
 
 	struct dsi_display_mode *cur_mode;
 	u32 num_timing_nodes;