Add support to receive the fft_recapture arg value
from spectraltool, handle the FFT recapture config and
pass this to FW. The recapture feature must be
enabled only for spectral scan period > 52 us and
Normal Spectral scans.
Change-Id: Ied637704d25bb15bff2139a215da7481d4f80e4f
CRs-Fixed: 3140890