mathworks: Add mwadma driver and change the defconfig to add CAN and XILINX_DMA drivers
mathworks: Add MWADMA Xilinx DMA driver wrapper.
Remove the xilinx_axidma.c driver.
All the drivers are contained in the xilinx_dma.c (based on xilinx
axidma and axivdma drivers)
mathworks: update the dma driver to fit the new xilinx_dma.
fix the filterfn and change the device name entry.
Remove the function definitions from header. Move them to the top of the source file.
remove xilinx-axidma.o
Add XILINX_DMA in kernel instead of loadable module. Beautify the Debug print for MW DMA wrapper filterfn function.