qcacmn: Allow SAP to come up on DFS channel in SCC mode

Allow SAP to come up on DFS channel in STA+SAP concurrency mode
only when g_sta_sap_scc_on_dfs_chan enabled in ini file and also
disable chan_switch_hostapd_rate_enabled when force SCC is enabled.

CRs-Fixed: 2147032
Change-Id: Id1333a49d0538eb4ccfaf3c8498e9ca06671de02
5 files changed