fix 'no newline at end of file' [-Wnewline-eof]

bluedroid: fix compile warning

3rd-party: add tinydir to iterate over directories

segger-rtt: fix compile for arm-none-eabi-gcc

segger-rtt: add rtt files

sm: drop support for mbed-tls for ECDH

Fix more warnings (mostly sign-compare)

hxcmod-player: Avoid playback error on platforms where char is unsigned

hxcmod-player: mark mod song as const to avoid copy to RAM

fix warnings - mostly enum casts and set but not used

fix warnings in bluedroid and avdtp

hxmod-player: more shadowing warning fixes

hxmod-player: fix shadow warning

Merge branch 'avdtp-source2' into develop

3rd-party: add micro-ecc/static e4d264b https://github.com/kmackay/micro-ecc.git and test/security_manager/ecc_micro_ecc

add mod, move streuct to avdtp

fix compile warnings

added 3rd party hxcmod player

fix unused parameters warning

examples: tidy SBC section

bluedroid: avoid compile warnings for set but unused vars

bluedroid: avoid compile warnings for set but unused vars

bluedroid: avoid compile warnings for set but unused vars

Merge branch 'develop' into a2dp

sco_util: also store incoming mSBC data