b6479
SYCL: Add COUNT_EQUAL operator support (#15991) * SYCL: Add COUNT_EQUAL operator support (rebased on master) * SYCL: remove duplicate op_count_equal definition * tests: remove test_count_equal_typed and use test_count_equal for all cases * tests: keep only I32 case for COUNT_EQUAL as suggested * tests: keep only I32 case for COUNT_EQUAL as requested