yanhong.wang 7597507a63 add update secondboot&ddrinit bin file function 3 lat temu
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cmd.c 67beb314d3 Init source code 3 lat temu
cmd.h 67beb314d3 Init source code 3 lat temu
uart.c 67beb314d3 Init source code 3 lat temu
uart.h 67beb314d3 Init source code 3 lat temu
xmodem.c 7597507a63 add update secondboot&ddrinit bin file function 3 lat temu
xmodem.h 67beb314d3 Init source code 3 lat temu