COMPMID-1316 Using 8 bit dot product instruction in CLDepthWiseConvolution with QASYMM8

Change-Id: I3fc37bdceaae8b4b1effa51129b71bf352388564
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/138374
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/src/core/CL/cl_kernels/helpers.h b/src/core/CL/cl_kernels/helpers.h
index dcc471e..3f7a2a5 100644
--- a/src/core/CL/cl_kernels/helpers.h
+++ b/src/core/CL/cl_kernels/helpers.h
@@ -30,9 +30,12 @@
 
 #if defined(ARM_COMPUTE_OPENCL_DOT8_ENABLED)
 #pragma OPENCL EXTENSION cl_arm_integer_dot_product_int8 : enable
-#pragma OPENCL EXTENSION cl_arm_integer_dot_product_accumulate_int8 : enable
 #endif // defined(ARM_COMPUTE_OPENCL_DOT8_ENABLED)
 
+#if defined(ARM_COMPUTE_OPENCL_DOT8_ACC_ENABLED)
+#pragma OPENCL EXTENSION cl_arm_integer_dot_product_accumulate_int8 : enable
+#endif // defined(ARM_COMPUTE_OPENCL_DOT8_ACC_ENABLED)
+
 #if defined(ARM_COMPUTE_DEBUG_ENABLED)
 #if defined(cl_arm_printf)
 #pragma OPENCL EXTENSION cl_arm_printf : enable