dt-bindings: usb: max3421: Interrupt-parent is optional

Documentation modification, now interrupt-parent is an optional
property. Also fix few typos.

Signed-off-by: Jules Maselbas <jules.maselbas@grenoble-inp.org>
Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jules Maselbas 2017-10-31 11:32:57 +01:00 • committed by Greg Kroah-Hartman
commit 9b796ffcd1