HACK: Revert "usb: dwc3: core: Prevent phy suspend during init"

commit 586a48efba8208bead2ee2ec7b00b185481b2f2e from
git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git



This prevents deep sleep on AM62 so revert it.

This reverts commit 000f9944.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>