COMPMID-2265 add support for Log Softmax to NEON

Kernel (NEON/reference), validation tests, function and fixture
are updated to add support for Log Softmax

Change-Id: I641dbf1552f4128c691af8875949ebf88da71ee8
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2075
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h b/arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h
index 25c3196..fb65079 100644
--- a/arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h
+++ b/arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -69,12 +69,20 @@
 };
 
 /** Interface for softmax computation for QASYMM8 with pre-computed max. */
+template <bool IS_LOG = false>
 class NELogits1DSoftmaxKernel : public INEKernel
 {
 public:
     const char *name() const override
     {
-        return "NELogits1DSoftmaxKernel";
+        if(IS_LOG)
+        {
+            return "NELogits1DSoftmaxKernel";
+        }
+        else
+        {
+            return "NELogits1DLogSoftmaxKernel";
+        }
     }
     /** Default constructor */
     NELogits1DSoftmaxKernel();