Use the right flags when creating images (#328) (#1015)

Test was querying for supported images with CL_MEM_WRITE_ONLY flag, but
always used CL_MEM_READ_ONLY to create images.

Fixes issue #328

Signed-off-by: Radek Szymanski <radek.szymanski@arm.com>
Signed-off-by: James Morrissey <james.morrissey@arm.com>

Co-authored-by: Radek Szymanski <radek.szymanski@arm.com>
6 files changed