btstack_util: add read/write single bytes to little_endian/big_endian functions

for symmetry reasons

btstack_util: add N_BITS macro

btstack_defines: add ARRAYSIZE macro

btstack_debug: provide STATIC_ASSERT macro to allow use sizeof at compile time

windows: include <Windows.h> first

btstack_hid_parser: fix build with log_debug

a2dp: set BTSTACK_FILE__ at start

hci: fix log level

goep_server: include gap.h

gatt_client: fix error text (#631)

gatt-service/dis-server: suppress cppcheck warning

gatt-service/dis-server: update for v1.2

gatt-service/dis-client: update for dis v1.2

ble: add tx power service client

ble: add link loss service server and client

ble: add immediate alert service server and client

ble: add gatt_service_client

gatt-service/bas-client: use request to send

gatt-service/hids-client: use error code instead of att status

gatt-service/sps-client: use error code instead of att status

gatt-service/ancs-client: use request to send

gatt-service/bass-client: update

gatt-service: add gatt_service.gatt definitions

le_audio: update utils

obex: add MAP constants