Update copyright to 2011.

Update copyright to 2011.

binutils/

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* version.c (print_version): Update copyright to 2011.

gas/

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* gas.c (parse_args): Update copyright to 2011.

gold/

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* version.cc (print_version): Update copyright to 2011.

ld/

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* ldver.c (ldversion): Update copyright to 2011.

opcodes/

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-gen.c (process_copyright): Update copyright to 2011.