feat(core): support for BLE on discovery

core/embed/trezorhal/boards/stm32f429i-disc1.h

@@ -2,6 +2,7 @@
 #define _STM32F429I_DISC1_H
 
 #define USE_TOUCH 1
+#define USE_BLE 1
 #define USE_SDRAM 1
 
 #include "displays/ltdc.h"
@@ -19,4 +20,5 @@
 #define I2C_INSTANCE_FORCE_RESET __HAL_RCC_I2C3_FORCE_RESET
 #define I2C_INSTANCE_RELEASE_RESET __HAL_RCC_I2C3_RELEASE_RESET
 
+
 #endif  //_STM32F429I_DISC1_H

core/site_scons/boards/discovery.py

@@ -21,6 +21,13 @@ def configure(env, features_wanted, defines, sources):
         sources += ['embed/trezorhal/touch/stmpe811.c', ]
         features_available.append("touch")
 
+    if "ble" in features_wanted:
+        sources += ['embed/trezorhal/ble/comm.c', ]
+        sources += ['embed/trezorhal/ble/dfu.c', ]
+        sources += ['embed/trezorhal/ble/fwu.c', ]
+        sources += ['embed/trezorhal/ble/state.c', ]
+        features_available.append("ble")
+
     env.get('ENV')['TREZOR_BOARD'] = board
 
     return features_available