dmaengine: fsl-qdma: Handle invalid qdma-queue0 IRQ

dmaengine: fsl-qdma: Handle invalid qdma-queue0 IRQ

[ Upstream commit 41814c4eadf8a791b6d07114f96e7e120e59555c ]

platform_get_irq_byname() might return -errno which later would be cast
to an unsigned int and used in IRQ handling code leading to usage of
wrong ID and errors about wrong irq_base.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peng Ma <peng.ma@nxp.com>
Tested-by: Peng Ma <peng.ma@nxp.com>
Link: https://lore.kernel.org/r/20191004150826.6656-1-krzk@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>