Merge pull request #6897 from kaspar030/fix_byteorder_names

core/include/byteorder.h

cpu/native/include/clang_compat.h

cpu/native/netdev_tap/netdev_tap.c

cpu/native/startup.c

drivers/adt7310/adt7310.c

drivers/at86rf2xx/at86rf2xx.c

drivers/feetech/feetech.c

drivers/ina220/ina220.c

drivers/jc42/jc42.c

drivers/kw2xrf/kw2xrf.c

drivers/mrf24j40/mrf24j40.c

drivers/nvram_spi/nvram-spi.c

pkg/emb6/contrib/conn/udp/emb6_conn_udp.c

sys/cbor/cbor.c

sys/net/application_layer/dns/dns.c

sys/posix/include/sys/bytes.h

tests/lwip_sock_ip/main.c

tests/lwip_sock_ip/stack.c

tests/lwip_sock_tcp/main.c

tests/lwip_sock_udp/main.c