forked from Imagelibrary/rtems
* Makefile.am, preinstall.am, at91rm9200/include/at91rm9200.h: Add initial support for USART on at91rm9200. * at91rm9200/include/at91rm9200_usart.h, at91rm9200/usart/usart.c: New files.
* Makefile.am, preinstall.am, at91rm9200/include/at91rm9200.h: Add initial support for USART on at91rm9200. * at91rm9200/include/at91rm9200_usart.h, at91rm9200/usart/usart.c: New files.