AVRISP mkII device. (Savannah patch #4789.)
* serial.h: Declare usb_serdev_frame device descriptor.
* stk500v2.c: Implementation of the AVRISP mkII handling.
* usb_libusb.c: Add USB handling for short-frame delimited
AVRISP mkII USB protocol; add distinction of different
devices in usbdev_open().
* jtagmkII.c: Tell usbdev_open() to search for the JTAG ICE mkII.
* usbdevs.h: (New file.)
* Makefile.am: Add usbdevs.h, as well as some other forgotten
files "make distcheck" complained about.
* avrdude.conf.in: Add more aliases for the AVRISP mkII.
* avrdude.1: Document how to use the AVRISP mkII.
* doc/avrdude.texi: (Ditto.)
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@564 81a1dc3b-b13d-400b-aceb-764788c761c2