Altera JTAG UART
Required properties:
- compatible : should be "ALTR,juart-1.0" <DEPRECATED>
- compatible : should be "altr,juart-1.0"
serial-imx.rar （4个子文件） 
altera_msgdma.c 6KB altera_msgdma.h 2KB
altera_jtaguart.txt 136B serial-imx.c 1KB
