[RFA/testsuite/Ada] new testcase for "set print frame-arguments scalars"

[Joel Brobecker]

> 2007-11-09  Joel Brobecker  <brobecker@adacore.com>
> 
>         * gdb.ada/frame_args/foo.adb: New file.
>         * gdb.ada/frame_args/pck.ads: New file.
>         * gdb.ada/frame_args/pck.adb: New file.
>         * gdb.ada/frame_args.exp: New testcase.

I checked this in as well.

-- 
Joel