Papers3 improvements (#611)

- And Tab5 keyboard improvements
- Usb host keyboard improvements
- Symbols
- Requires the device.py change from CL-32 PR but that only affects visuals and not build breaking

Modules/lvgl-module/source/devices/devices.cpp

@@ -67,11 +67,13 @@ void lvgl_devices_attach() {
         // itself is never asked to do something it can't.
         bool can_hw_rotate = display_has_capability(kernel_display_device, DISPLAY_CAPABILITY_CAP_SWAP_XY) &&
             display_has_capability(kernel_display_device, DISPLAY_CAPABILITY_CAP_MIRROR);
+        bool prefer_external_ram_buffer = display_has_capability(kernel_display_device, DISPLAY_CAPABILITY_PREFER_EXTERNAL_RAM);
         struct LvglDisplayConfig lvgl_display_config = {
             .buffer_height = (uint16_t)(vres > 10 ? vres / 10 : vres),
             .sw_rotate = !can_hw_rotate,
             .swap_bytes = swap_bytes,
-            .force_full_frame = display_requires_full_frame
+            .force_full_frame = display_requires_full_frame,
+            .prefer_external_ram = prefer_external_ram_buffer
         };
         lv_disp_t* added_display = NULL;
         if (lvgl_display_add(kernel_display_device, &lvgl_display_config, &added_display) == ERROR_NONE) {