nrf/boards/microbit: Enable music, display, image, microbit module.
Enabled by default on microbit targets, with or without BLE stack.  Also
enable softpwm to make display and music module compile.
#define MICROPY_HW_MCU_NAME "NRF51822"
#define MICROPY_PY_SYS_PLATFORM "nrf51"
-#define MICROPY_PY_MUSIC (0)
-#define MICROPY_PY_MACHINE_SOFT_PWM (0)
+#define MICROPY_PY_MUSIC (1)
+#define MICROPY_PY_MACHINE_SOFT_PWM (1)
#define MICROPY_PY_MACHINE_HW_SPI (1)
#define MICROPY_PY_MACHINE_TIMER (1)
#define MICROPY_PY_MACHINE_RTC (1)
