UPSTREAM: USB: gadget: detect too-big endpoint 0 requests

Sometimes USB hosts can ask for buffers that are too large from endpoint
0, which should not be allowed.  If this happens for OUT requests, stall
the endpoint, but for IN requests, trim the request size to the endpoint
buffer size.

Co-developed-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 153a2d7e)
Bug: 210292367
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9bbd6154177d7a1fb6c2e3a3dffa96634d85bb7f