Fix the ccmp_1.c test back to use '0' as regular expressions don't work
correctly. '0' is right due to compare with zero now printing as
'CMP w0, 0' rather than 'CMP w0, wzr'.

2016-02-03  Wilco Dijkstra  <wdijkstr@arm.com>

gcc/testsuite/
	* gcc.target/aarch64/ccmp_1.c: Fix test issue.

From-SVN: r233102