disp: msm: dsi: add parsing logic for panel gpio pins/address

Add parsing code for getting the TLMM base address and size
of each GPIO pin register space along with the GPIO pins
used for the specific panel. This list is used to lend
these IO ranges to trusted vm during the trusted UI usecase.

Change-Id: I10429cfa14265d52e898815c6cf94be27daa5677
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>

msm/dsi/dsi_panel.h

@@ -364,6 +364,9 @@ int dsi_panel_parse_esd_reg_read_configs(struct dsi_panel *panel);
 
 void dsi_panel_ext_bridge_put(struct dsi_panel *panel);
 
+int dsi_panel_get_io_resources(struct dsi_panel *panel,
+		struct msm_io_res *io_res);
+
 void dsi_panel_calc_dsi_transfer_time(struct dsi_host_common_cfg *config,
 		struct dsi_display_mode *mode, u32 frame_threshold_us);