Revert "HACK: fix ehci suspend/resume failure"

This reverts commit 4288c066b40204f8b3b09e5b8c9c2754ce92c5d9.

Conflicts:

	drivers/usb/host/ehci-hub.c

Revert this hack for implementing new SW WA in correct place

Change-Id: I958271dfb454801437065299977228be76d0b956
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@ti.com>