notice.
Switch the license of all .f and .f90 files to GPLv3. Switch the license of all .s and .S files to GPLv3.
* gdb.arch/gdb1291.c: Remove * gdb.arch/gdb1291.s: New test input file. * gdb.arch/gdb1291.exp: Expand test to check case that should not fail. Test for correct result, known incorrect result, other failures and timeouts.