[win32] Enable SSE2 everywhere
[configure] fix goldlinker check
[rbp/omxplayer] Explicitly set number of output channels on audio_mixer
Merge pull request #2939 from popcornmix/fix_downmix

[rbp/omxplayer] Explicitly set number of output channels on audio_mixer
Merge pull request #2937 from wsnipex/configure

[configure] fix goldlinker check (closes #13647)
renderer: tempfix for aml/omx player after #2811
Merge pull request #2943 from FernetMenta/tempfix

renderer: tempfix for aml/omx player after #2811
Merge pull request #2889 from Karlson2k/win32_sse2

Enable SSE2 for win32
[WIN32] changed: check for sse2 and abort with a message if it isn't supported by the cpu.
fixed, android audio playback
fixed: MusicInfoTag loader locked up after 9752e490e40e69d53e9dbb10a972dff533192570