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 153a2d7e3350cc89d406ba2d35be8793a64c2038)
Bug: 210292367
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9bbd6154177d7a1fb6c2e3a3dffa96634d85bb7f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Issue: FP3SEC-288
(cherry picked from commit d6b6272a)