Serial: Add register definitions used in Ingenic JZ47xx series SoC
MIPS: JZ4770: Use register definitions from generic UART header
MIPS: JZ4770: UART hacks

MtH: Updated to take advantage of serial_reg.h changes.
power: ACT8600: dos2unix on act8600_power.h
power: ACT8600: Add Q switch handling

MtH: Cosmetic fixes.