T-Deck Max & Pro support updates (#582)

- Created kernel driver for T-Deck Max & Pro display (needs work, doesn't refresh reliably on T-Deck Pro)
- Created T-Deck Pro device implementation (incubating)

Devices/lilygo-tdeck-max/device.properties

@@ -1,6 +1,6 @@
 general.vendor=LilyGO
 general.name=T-Deck Max
-# SD card support is not yet working; remove once it is functional.
+# SD card support is not yet working, display driver is untested since refactoring; remove once it is functional.
 general.incubating=true
 
 apps.launcherAppId=Launcher
@@ -18,14 +18,17 @@ hardware.bluetooth=true
 # Internal until the SD card is verified working on this board; switch to SD then.
 storage.userDataLocation=Internal
 
+dependencies.useDeprecatedHal=false
+
 display.size=3.1"
 display.shape=rectangle
 display.dpi=128
 
-# The GDEQ031T10 e-paper is monochrome, but its driver renders via
-# LV_COLOR_FORMAT_I1 on its own display. The global LVGL color depth must stay
-# at 16: esp_lvgl_port refuses to compile with LV_COLOR_DEPTH_1 set.
-lvgl.colorDepth=16
+lvgl.colorDepth=8
 # Monochrome theme: the default colour theme renders accent-coloured UI that
 # thresholds to invisible on a 1bpp panel (enables CONFIG_LV_USE_THEME_MONO).
 lvgl.theme=Mono
+
+cdn.warningMessage=Display not reliably working. Use at your own risk.
+
+sdkconfig.CONFIG_LV_THEME_DEFAULT_TRANSITION_TIME=0