bashrc_port

umon bootloader source code, support mips cpu.

PS1=BOARD_NAME:
export EDITOR=vi
export TITLE="BOARD_NAME Monitor Development"
if [ "$UMONTOP" == "" ]
then
	export UMONTOP=../../umon_main
fi
export HOME=`pwd`
unset TERM
. $UMONTOP/host/bin/umon_setup