UPSTREAM: Revert "usb: gadget: udc: core: Invoke usb_gadget_connect only when started"

commit f22e9b67 upstream.

This reverts commit 0db213ea.

It introduces an issues with configuring the USB gadget hangs forever
on multiple Qualcomm and NXP i.MX SoC at least.

Cc: stable@vger.kernel.org
Fixes: 0db213ea ("usb: gadget: udc: core: Invoke usb_gadget_connect only when started")
Reported-by: Stephan Gerhold <stephan@gerhold.net>
Reported-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/all/ZF4BvgsOyoKxdPFF@francesco-nb.int.toradex.com/


Change-Id: I2a294aedee1ca56b293db30fc7d9258e92e61372
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230512131435.205464-3-francesco@dolcini.it


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit ea56ede9)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>