- further cleanup of files and file structure
	modified:   ../../boards/beaglebone/board.c
	modified:   ../../cpu/xam3359/Makefile.include
	deleted:    ../../cpu/xam3359/exceptions.S
	new file:   ../../cpu/xam3359/starterware/Makefile.include
	renamed:    ../../cpu/xam3359/exceptionhandler.S -> ../../cpu/xam3359/starterware/exceptionhandler.S
	renamed:    ../../cpu/xam3359/startup.c -> ../../cpu/xam3359/starterware/startup.c
	renamed:    ../../cpu/xam3359/xam3359_linkerscript.lds -> ../../cpu/xam3359/starterware/xam3359_linkerscript.lds