Fix uDisplay DSI compile with IDF 5.4 / 5.5 based Arduino frameworks (#24110)

Author: Jason2866

lib/lib_display/UDisplay/uDisplay_DSI_panel.cpp

@@ -43,7 +43,6 @@ DSIPanel::DSIPanel(const DSIPanelConfig& config)
     esp_lcd_dsi_bus_config_t bus_config = {
         .bus_id = 0,
         .num_data_lanes = cfg.dsi_lanes,
-        .phy_clk_src = MIPI_DSI_PHY_CLK_SRC_DEFAULT,
         .lane_bit_rate_mbps = cfg.lane_speed_mbps
     };
     ret = esp_lcd_new_dsi_bus(&bus_config, &dsi_bus);

lib/lib_display/UDisplay/uDisplay_RGB_panel.cpp

@@ -9,8 +9,6 @@
 #include <algorithm>
 #include <rom/cache.h>
 
-extern int CACHE_WRITEBACK_ADDR(uint32_t addr, uint32_t size);
-
 RGBPanel::RGBPanel(const esp_lcd_rgb_panel_config_t *config) {
     ESP_ERROR_CHECK(esp_lcd_new_rgb_panel(config, &panel_handle));
     ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));