UPSTREAM: usb: dwc2: host: always increment available host channel during release

UPSTREAM: usb: dwc2: host: always increment available host channel during release

When releasing a channel, increment hsotg->available_host_channels even
in case a periodic channel is released.

Change-Id: I436f6b2db2a823e3479e7f1cd0a8c97ee498a64b
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 3f808bdae75eaf464b1b2710894950772a3784f8)