rtl-sdr: Fix dependency and enable DETACH_KERNEL_DRIVER.
hackrf: Use official repository and remove gnuradio dependency.
libosmo-dsp: Add new recipe (required by gr-iqbal).
gr-iqbal: Use correct dependencies.

gr-iqbal doest not depend on uhd, osmo-sdr or gr-osmosdr. In fact, it is
gr-osmosdr that can take advantage of gr-iqbal if installed.
osmo-sdr: Fix dependencies.
gr-osmosdr: Update dependencies.

Update gr-osmosdr dependencies to include all available sources as well as
the gr-iqbal package.
Merge pull request #10 from csete/rtlsdr

rtl-sdr: Fix dependency and enable DETACH_KERNEL_DRIVER.
Merge pull request #11 from csete/hackrf

hackrf: Use official repository and remove gnuradio dependency.
Merge pull request #12 from csete/griqbal

gr-iqbal: Use correct dependencies and add new recipe for libosmo-dsp
Merge pull request #13 from csete/osmosdr

osmo-sdr: Fix dependencies.
Merge pull request #14 from csete/grosmosdr

gr-osmosdr: Update dependencies.