According to new changes in kernel 5.4 version onwards, driver has to
provide the policy for a NL command to ve verified against while
registering wiphy to the kernel.
To accommodate these changes, add policy for all the following
vendor commands that are being registered in the driver
QCA_NL80211_VENDOR_SUBCMD_ROAMING
QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY
QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY
QCA_NL80211_VENDOR_SUBCMD_NAN
QCA_NL80211_VENDOR_SUBCMD_STATS_EXT
Change-Id: Ie2fb541d45ecc04dc5d3f80a3af9060c390ae7f5
CRs-Fixed: 2634373
3e231a9fd2