Update bluez to 5.49
Fix issue https://github.com/openwrt/packages/issues/1497
Fix issue https://github.com/openwrt/packages/issues/1503
Cherry pick patches from Alpine Linux repo
Apply --gc-sections, saves about 500kbyte
Drop audio.conf (not needed and deprecated)
Remove bluetooth.dbus as upstream supplies a working copy

Based on patch provided by Johnny Vogels
https://github.com/openwrt/packages/pull/5937

Source:
https://git.alpinelinux.org/cgit/aports/commit/main/bluez/fix-endianness.patch?id=1c6991b32a22be2c905cc1709be1376c4e79e451
https://git.alpinelinux.org/cgit/aports/commit/main/bluez/bluez-5.40-obexd_without_systemd-1.patch?id=980b2d04ae4339594701b33cf9460757c989c94c

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>