dmaengine: dw-edma: Release requested IRQs on failure

If dw_edma_irq_request() fails to initialize an IRQ handler, any previously
requested IRQs will be left initialized.

Release the previously requested IRQs in the cleanup-on-error path of
dw_edma_irq_request().

Link: https://lore.kernel.org/r/20230113171409.30470-3-Sergey.Semin@baikalelectronics.ru


Fixes: e63d79d1 ("dmaengine: Add Synopsys eDMA IP core driver")
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>