disable HAL support by default
disable HAL support by default

HAL has been deprecated for some time now, stop automatically
building support for it when possible. This is the first step
towards eventual removal of that code one day.

neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod