asoc: JZ4750: Remove inclusion of asm/mach-jz4750d/jz4750d_intc.h
lcd: JZ4750: Include asm/irq.h instead of asm/mach-jz4750d/jz4750d_intc.h
MIPS: JZ4750D: Get rid of asm/mach-jz4750d/jz4750d_intc.h where possible
Revert "asoc: JZ4750: Use MUX widget for input mixer"

This reverts commit 8091502f7d088d489b66dd668b640f2efe861d53.
Revert "asoc: pcm: JZ4750: import jz_pcm_start_normal_dma() from gcw0"

This reverts commit 5b68eca4b0ffe982634f20d45ddcd7c293760930.