qcacld-3.0: Add MPTA helper support

Due to PTA matser limitation, zigbee joining network success rate
is low while wlan is working. Wlan host driver need to configure
some parameters including Zigbee state and specific WLAN periods
to enhance PTA master. This mechanism is called MPTA helper.
Vendor subcommand QCA_NL80211_VENDOR_SUBCMD_MPTA_HELPER_CONFIG
is added to realize this feature. NL attributes
qca_mpta_helper_vendor_attr is used to deliver parameters from
uplayer to host driver.

Change-Id: Ic76130e4b92c88e8034f6a0c6c0447c9c6dee945
CRs-Fixed: 2407801
5 files changed