Merge branch 'schneider/mp-ble' into 'master'

epicardium/ble/ble.c

epicardium/ble/ble_api.h

epicardium/ble/ble_main.c

epicardium/ble/cccd.h

epicardium/ble/epic_att_api.c

epicardium/ble/epic_ble_api.c

epicardium/ble/hid.c

epicardium/ble/meson.build

epicardium/ble/stack.c

epicardium/ble/uart.c

epicardium/ble/uart.h

epicardium/epicardium.h

epicardium/modules/serial.c

lib/micropython/gen-qstr.sh

lib/micropython/meson.build

lib/micropython/micropython

lib/sdk/Libraries/BTLE/stack/ble-host/include/att_api.h

...ibraries/BTLE/stack/ble-host/sources/stack/att/atts_dyn.c

.../BTLE/stack/ble-profiles/sources/profiles/gatt/gatt_api.h

...BTLE/stack/ble-profiles/sources/profiles/gatt/gatt_main.c