prima: Add new Vendor command to configured ext Roam Params

Add new Vendor command i.e. QCA_NL80211_VENDOR_SUBCMD_ROAM
and its attribute to configured extended roam parameter
such Blacklist Bssid and Whitelist ssid.
Advertise control roaming feature i.e.
WIFI_FEATURE_CONTROL_ROAMING based firmware capability
such as BLACKLIST_BSSID.

Change-Id: I1bc676788d22823cbf72fcd0b47582042fc9eb5f
CRs-Fixed: 2667163