qcacmn: Add QCA vendor commands for spectral scan

Add following vendor commands and their vendor attributes for
spectral scan.

 1) QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_CONFIG
        Get current values of spectral parameters.
 2) QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_DIAG_STATS
        Get stats for spectral scan debug.
 3) QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_CAP_INFO
        Get the spectral hardware capability.
 4) QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_STATUS
        Get the current status of spectral scan.

CRs-Fixed: 2126313
Change-Id: Id1e9b030f85de166696835fadd36d7856a89625d
1 file changed