FROMGIT: dt-bindings: usb: Maxim type-c controller device tree binding document

Add device tree binding document for Maxim 33359 Type-C chip driver

Bug: 168555244
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201029063138.1429760-2-badhri@google.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 6393734e
 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git

 usb-next)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iae39ee6e6ae2741b1914773da6fefaa2ef2c2a9c