[WCNCR00152333] wowlan: fix USB resume wow check condition

[Description]
1. fix "mtk_usb_resume"
when USB resume, execute wow resume only if connection to ap
if not connected, skip wow resume flow
2. fix typo "WowTriigerLevel"

Feature: wowlan
Change-Id: I1247607f64e3533a16a2e1ca0a330b0d75568996
Signed-off-by: Bennett Ou <bennett.ou@mediatek.com>
CR-Id: WCNCR00152333
4 files changed