probably fix #341 enable internal pullup on lora-v2 button

src/configuration.h

@@ -255,6 +255,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
 #define LED_PIN 2     // If defined we will blink this LED
 #define BUTTON_PIN 0  // If defined, this will be used for user button presses
+#define BUTTON_NEED_PULLUP
 
 #define USE_RF95
 #define LORA_DIO0 26 // a No connect on the SX1262 module
@@ -281,6 +282,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BUTTON_PIN                                                                                                               \
     0 // If defined, this will be used for user button presses, if your board doesn't have a physical switch, you can wire one
       // between this pin and ground
+#define BUTTON_NEED_PULLUP
 
 #define USE_RF95
 #define LORA_DIO0 26 // a No connect on the SX1262 module