Revert "Revert "Enable USB OTG device connection wakeup.""

This reverts commit 989ea1e46121c3c9d2d7f32deff289595d3b6d2e.
Add more robust io control for EM350 based modem
Fix #19 issue on github that enable HUAWEI EM350 LTE module.
Merge remote-tracking branch 'github/github' into imx_jb
fix #7 issue on github that splash image flicker bug.