spi: cadence-quadspi: Add missing check for dma_set_mask

Add check for dma_set_mask() and return the error if it fails.

Fixes: 1a6f854f

 ("spi: cadence-quadspi: Add Xilinx Versal external DMA support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230606093859.27818-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>