remoteproc: ingenic: Request IRQ disabled

The ingenic remoteproc driver requests its IRQ and then immediately
disables it.

The disable is necessary since irq_request() normally enables the IRQ. But
there is a new flag IRQF_NO_AUTOEN that when specified keeps the IRQ
disabled. Use this new flag rather than calling disable_irq().

This slightly reduce the boilerplate code and also avoids a theoretical
race condition where the IRQ could fire between irq_request() and
disable_irq().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20211205111349.51213-1-lars@metafoo.de
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

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