dmaengine i.MX DMA/SDMA: add missing include of linux/module.h
Add missing include of linux/module.h to fix build error.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>