usb: hsic: Add USB HSIC host driver

This change adds USB HSIC host functionality.

This snapshot is taken as of msm-3.18 'commit cd0018e74c9e
("qseecom: Backport qseecom listener changes to kernel-3.18")'.

Change-Id: I4b954994ae55da43ed4a006e873c3d63944f56a5
Signed-off-by: Prasadarao Durvasula <pdurvasu@codeaurora.org>
Signed-off-by: Sivasri Kumar Vanka <sivasri@codeaurora.org>