fotg210-udc: Get IRQ using platform_get_irq()

The platform_get_irq() is necessary to use to get dynamic
IRQ resolution when instantiating the device from the
device tree. IRQs are not passed as resources in that
case.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221114115201.302887-4-linus.walleij@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>