ao-tools: build ao-usbload by default

[fw/altos] / ao-tools / Makefile.am

SUBDIRS=lib ao-rawload ao-dbg ao-bitbang ao-eeprom ao-list \
        ao-load ao-telem ao-send-telem ao-sky-flash \
        ao-dumpflash ao-edit-telem ao-dump-up ao-elftohex \
        ao-flash ao-usbload
if LIBSTLINK
SUBDIRS += ao-stmload
endif