Enable libgomp.oacc-*/declare-*.{c,f90} for non-nvidia devices

Enable libgomp.oacc-*/declare-*.{c,f90} for non-nvidia devices

2017-10-16  Tom de Vries  <tom@codesourcery.com>

	* testsuite/libgomp.oacc-c-c++-common/declare-1.c: Don't require
	openacc_nvidia_accel_selected.
	* testsuite/libgomp.oacc-c-c++-common/declare-2.c: Same.
	* testsuite/libgomp.oacc-c-c++-common/declare-4.c: Same.
	* testsuite/libgomp.oacc-fortran/declare-2.f90: Same.
	* testsuite/libgomp.oacc-fortran/declare-4.f90: Same
	* testsuite/libgomp.oacc-fortran/declare-5.f90: Same.
	* testsuite/libgomp.oacc-c-c++-common/declare-5.c: Don't require
	openacc_nvidia_accel_selected. Skip for shared memory device.
	* testsuite/libgomp.oacc-fortran/declare-1.f90: Same.
	* testsuite/libgomp.oacc-fortran/declare-3.f90: Same.

From-SVN: r253779