PowerPC: Merge rfc2655 and rfc2656 test cases into one future test case gas/ * testsuite/gas/ppc/rfc02655.[ds]: Rename from this... * testsuite/gas/ppc/future.[ds]: ... to this. * testsuite/gas/ppc/rfc02656.[ds]: Delete. Move tests to future.[ds]. * testsuite/gas/ppc/ppc.exp: Update for file name changes.