dmaengine: xilinx_dpdma: Omit superfluous error message in xilinx_dpdma_probe()

In the function xilinx_dpdma_probe(), when get irq failed,
the function platform_get_irq() logs an error message,
so remove redundant message here.

Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20220519130855.7664-1-tangbin@cmss.chinamobile.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>