media: xilinx: vip: Add xvip_of_get_formats()

xvip_of_get_formats() takes a dts node, and pares the input and output formats.
media: xilinx: cfa: Fix error codes and

Fix error codes and.
media: xilinx: cresample: Fix error codes and

Fix error codes and.
media: xilinx: rgb2yuv: Fix error codes and messages

Fix error codes and messages.
media: xilinx: cfa: Use xvip_of_get_formats()

Use xvip_of_get_formats().
media: xilinx: cresample: Use xvip_of_get_formats()

Use xvip_of_get_formats().
media: xilinx: rgb2yuv: Use xvip_of_get_formats()

Use xvip_of_get_formats().