usb: hub: fix a typo in hub_port_init() leading to wrong logic

usb: hub: fix a typo in hub_port_init() leading to wrong logic

Orabug: 23331090

[ Upstream commit 0d5ce778c43bf888328231bcdce05d5c860655aa ]

A typo of j for i led to a logic bug. To rule out future
confusion, the variable names are made meaningful.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Dan Duval <dan.duval@oracle.com>
(cherry picked from commit 8e1682fddbd122a565965a83a5f8235e8bcadc10)

Conflict:

	drivers/usb/core/hub.c