usb: gadget: renesas_usbhs: remove unneeded parameter from usbhs_mod_is_host()

it was possible to get usbhs_mod from usbhs_priv.
this patch remove unneeded parameter.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
3 files changed