[WCNCR00147164] wowlan: add wow UI (enable/AdvPws/mdtim) support

[Description]
Add wowlan UI support: enable/AdvPws/mdtim
    1. Add iwpriv of wow enable, AdvPws, and multiple DTIM
    2. Add wifi.cfg setting of AdvPws, and multiple DTIM
    3. Enlarge WLAN_CFG_ENTRY_NUM_MAX from 128 to 200 due to no empty entry
    4. Add wow UI as link down check in mtk_cfg80211_suspend
    5. Add wow UI as condition to trigger wow command in usb_suspend
    6. Add wow UI as multiple DTIM selection rule

Feature: wowlan
Change-Id: I2ae01cfd04eee0e4b7b9332b5212b4d55b51a1ea
CR-Id: WCNCR00147164
Signed-off-by: Bennett Ou <bennett.ou@mediatek.com>
8 files changed