COMPMID-799 - Use new OpenCL 8-bit dot product instruction

Change-Id: I03d6c6db13bcb565f117725bdab2b68c89a49e21
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/122185
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/arm_compute/core/CL/CLHelpers.h b/arm_compute/core/CL/CLHelpers.h
index feb44ce..1054f9a 100644
--- a/arm_compute/core/CL/CLHelpers.h
+++ b/arm_compute/core/CL/CLHelpers.h
@@ -102,5 +102,12 @@
  * @return True if the extension is supported
  */
 bool arm_non_uniform_workgroup_supported(const cl::Device &device);
+/** Helper function to check whether the cl_arm_integer_dot_product_int8 extension is supported
+ *
+ * @param[in] device A CL device
+ *
+ * @return True if the extension is supported
+ */
+bool dot8_supported(const cl::Device &device);
 }
 #endif /* __ARM_COMPUTE_CLHELPERS_H__ */