ufs: ufs-renesas: Drop include common.h

The "#include <common.h>" is being phased out in favor of more fine
grained header management, i.e. ideally include a subset of headers
that are really needed. Remove it from this driver.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Tom Rini <trini@konsulko.com>