USB: HSIC SMSC HUB: Add support for SMSC4604 component

Extending SMSC driver to support both SMSC3503 and SMSC4604
HSIC hub components.

Change-Id: Ie73f6154565cc06c2ccafbd6fc11a37dd9120045
Signed-off-by: Eugene Yasman <eyasman@codeaurora.org>
6 files changed