COMPMID-1824 Disable logging completely when building with logging=0

Change-Id: Ie0d5387c0546045e14e62c84c03894a9b0339585
Reviewed-on: https://review.mlplatform.org/335
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/Utils.h b/arm_compute/core/Utils.h
index f1395a4..7c5d87f 100644
--- a/arm_compute/core/Utils.h
+++ b/arm_compute/core/Utils.h
@@ -1024,6 +1024,7 @@
     return ss.str();
 }
 
+#ifdef ARM_COMPUTE_DEBUG_ENABLED
 /** Print consecutive elements to an output stream.
  *
  * @param[out] s             Output stream to print the elements to.
@@ -1112,5 +1113,6 @@
  * @return The maximum width of the elements.
  */
 int max_consecutive_elements_display_width(std::ostream &s, DataType dt, const uint8_t *ptr, unsigned int n);
+#endif /* ARM_COMPUTE_DEBUG_ENABLED */
 }
 #endif /*__ARM_COMPUTE_UTILS_H__ */