ehci: hsic: add suspend/resume handshake with ipa resource manager

This change ensure correct sequence with the ipa resource manager
to obtain or release the producer and consumer resources upon
hsic host suspend/resume sequences which involve entering/exiting
to low power mode.

Change-Id: Iec77b9a24a3192a19de93c813b416baca26c7a77
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>