asoc: JZ4750D: Assign dev to dai to eliminate soc-core.c warning
asoc: JZ4750D: Eliminate duplicate/dead code in jzdlv.c
MIPS: JZ4750D: Fix offset for jz4750 codec
asoc: JZ4750: More WIP.

  jzdlv.c: Move reg definitions from header to jzdlv.c itself
  jz4750-i2s.c: Use snd_soc_dai_set_dma_data for setting dma
MIPS: JZ4750D: Enable sound devices for a380