due to shallow clone the tag cannot be retrieved, but can be passed as
env. the tag of the libretro-fork has not changed for a long time, so it
is safe to keep it hard-coded in the package.mk.
* use full lenght commit hash (for future get_git)
* core_info: use Makefile to install files
* glsl_shaders: remove toolchain from dependencies
* libretro_database: store cheats in original location
* retroarch: rebase patch: bluetooth pairing removal
* retroarch_assets: remove toolchain and fontconfig from dependencies
* retroarch_joypad_autoconfig: remove toolchain from dependencies
* retroarch_overlays: use Makefile to install files
* slang_shaders: remove toolchain from dependencies
* Lakka/smb.conf: remove Cheats share
* retroarch: remove cheat overlay mount
