tests/intel/xe_oa: Don't limit sync tests to render engine

OA sync tests need not be limited to render engine only. Extend them to use
any engine using __for_one_hwe_in_oag macro instead.

Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>