Updated `README.md` with instructions for building/using the kernel module.

[xeon-phi-kernel-module] / dma / Kbuild

ccflags-y += -DDMA_CHAN_MIC_OWNER=0

obj-m := dma_module.o

dma_module-objs := mic_dma_lib.o mic_dma_md.o mic_sbox_md.o