May update (Patreon)

RetroArch has now been updated to v1.9.4 from v1.8.8 - we skipped some versions and waited due to upstream issues that needed to be sorted, as well as having to update our patches.There have been various small fixes for packages, including:ppsspp assets loading issuelr-gpsp workaround to use old gcc6 to avoid crashes is no longer needed and removed.lr-mgba - fixed building on armv7+mame - removed alternative binary name for 64bit platforms.Also:lr-quickNES is now moved to optional packages except for armv6 (RPI Zero/1) where it is the default for performance reasons.xpadneo driver was updated to 0.9.1lr-fbneo added support for channelfPlus other bits and pieces - full history is on our GitHub https://github.com/RetroPie/RetroPie-Setup/commits/masterThat's about it. Thanks to you all for your continued support. It's appreciated.Cheers!