Implement HAS_PHYSICAL_KEYBOARD for devices with physical keyboards (#9071)

- Implement HAS_PHYSICAL_KEYBOARD for devices with physical keyboards
- Add HAS_PHYSICAL_KEYBOARD to variant.h for:
  - TDeck
  - TLora Pager
  - TDeck Pro

variants/esp32s3/t-deck-pro/variant.h

@@ -100,3 +100,5 @@
 #define MODEM_DTR 8
 #define MODEM_RX 10
 #define MODEM_TX 11
+
+#define HAS_PHYSICAL_KEYBOARD 1

variants/esp32s3/t-deck/variant.h

@@ -23,6 +23,7 @@
 #define SCREEN_TRANSITION_FRAMERATE 5
 #define BRIGHTNESS_DEFAULT 130 // Medium Low Brightness
 #define USE_TFTDISPLAY 1
+#define HAS_PHYSICAL_KEYBOARD 1
 
 #define HAS_TOUCHSCREEN 1
 #define SCREEN_TOUCH_INT 16

variants/esp32s3/tlora-pager/variant.h

@@ -21,6 +21,7 @@
 #define SCREEN_TRANSITION_FRAMERATE 5
 #define BRIGHTNESS_DEFAULT 130 // Medium Low Brightness
 #define USE_TFTDISPLAY 1
+#define HAS_PHYSICAL_KEYBOARD 1
 
 #define I2C_SDA SDA
 #define I2C_SCL SCL