usb: dwc3: Set edge trigger for dp and dm hs phy irq

dp and dm hs phy irq needs to be set to rising/falling
edge trigger based on the speed of the device connected
in host mode. Also update usb_irq_info to include irq type
and required irq.

Change-Id: I4341fd71ce4762ad8a13d67ca2446a7b63f8ed03
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>