host: Removed extraneous configure_file() from CMakeLists.txt

This appears to have been a copy+paste error introduced in 4f0808a6.
bladeRF-cli: Added '#' end-of-line comment

All characters following '#' are ignored as part of an end-of-line
comment.

Thank you to Karl Lehenbauer for suggesting this change.
libbladerf: add meta support
libbladerf: add RX meta support
libbladerf: add TX meta support
libbladeRF: Added additional information to sample format descriptions
libbladeRF: add TX meta flag support
libbladeRF: [WIP] Initial timestamp test.