Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
* 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.