add spi-st7735.c file
support lcd-st7735 10%
support lcd-st7735 10%
 support lcd-st7735 15%
support lcd-st7735 20%
support lcd-st7735 25%
support lcd-st7735 30%
cancel modify to spi-atmel.c
support lcd-st7735 35%
support lcd 40%
support lcd 45%
support lcd 50%
support lcd 70%
modify atmel uart to support rs485
support lcd basic complet
compatible led and lcd front panel;when pc29=1 select led front panel, otherwise select lcd front panel