Make the build parameters consistent with the official compiler

	* build-all.sh: Make configure options consistent with released
	Windows version of Atmel Studio GCC.
Make timeouts appear UNRESOLVED.

	* dejagnu/gdb-stub-extra.exp (gdb_wait): Make CPU timeout return
	-1, so this will appear as UNRESOLVED.
Make test framework generic and enable generic CPU timeout.

	* build-all.sh: Make DWARF2 the default, not DWARF (consistent
	with released Windows version of Atmel Studio GCC, fix typo.
	* dejagnu/baseboards/atmega128-studio.exp: Correct commenting,
	remove redundant test code.
	* dejagnu/baseboards/atmel-studio.exp: Created based on
	atmega128-studio.exp.
	* dejagnu/gdb-extra.exp (gdb_load): Set CPU timeout from
	target_info and only if set, immediately after connecting to
	target.
	* dejagnu/gdb-stub-extra.exp (gdb_stub_ld): Set CPU timeout from
	target_info and only if set, immediately after connecting to
	target.
	(gdb_stub_start): Remove CPU timeout (to gdb_stub_ld).
	* run-tests.sh: Add flags to specify parameters controlling the
	board description and log to README in test results, add generic
	comment option.
	(VERSION): New variable to define which version of the tool chain
	we are using, and include in log file.