usb: Add support for reset controller framework

The current api which performs the clock reset is moved to use the reset
framework, so support the changes in USB driver for the same. The reset
framework requires to get reset handle and perform assert/deassert of the
resets.

Change-Id: Ifcde1c6af624294cbd1944eaa9b526dd6dcc51de
Signed-off-by: Amit Nischal <anischal@codeaurora.org>