COMPMID-617: Add validation functions.

Added validation routines to the following kernels.
-CLActivationLayer
-CLBatchNormalizationLayer
-CLArithmeticAddition
-CLArithmeticSubtraction
-CLPixelwiseMultiplication

Change-Id: I0f3a03154f9e392279f715af656683cd0ad4cef5
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/94595
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/CL/functions/CLActivationLayer.cpp b/src/runtime/CL/functions/CLActivationLayer.cpp
index fbb90d9..5369a59 100644
--- a/src/runtime/CL/functions/CLActivationLayer.cpp
+++ b/src/runtime/CL/functions/CLActivationLayer.cpp
@@ -35,3 +35,8 @@
     k->configure(input, output, act_info);
     _kernel = std::move(k);
 }
+
+Error CLActivationLayer::validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info)
+{
+    return CLActivationLayerKernel::validate(input, output, act_info);
+}
diff --git a/src/runtime/CL/functions/CLArithmeticAddition.cpp b/src/runtime/CL/functions/CLArithmeticAddition.cpp
index 5ca384d..5fa0b8c 100644
--- a/src/runtime/CL/functions/CLArithmeticAddition.cpp
+++ b/src/runtime/CL/functions/CLArithmeticAddition.cpp
@@ -36,3 +36,8 @@
     k->configure(input1, input2, output, policy);
     _kernel = std::move(k);
 }
+
+Error CLArithmeticAddition::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy)
+{
+    return CLArithmeticAdditionKernel::validate(input1, input2, output, policy);
+}
diff --git a/src/runtime/CL/functions/CLArithmeticSubtraction.cpp b/src/runtime/CL/functions/CLArithmeticSubtraction.cpp
index 651f51a..12a6b80 100644
--- a/src/runtime/CL/functions/CLArithmeticSubtraction.cpp
+++ b/src/runtime/CL/functions/CLArithmeticSubtraction.cpp
@@ -36,3 +36,8 @@
     k->configure(input1, input2, output, policy);
     _kernel = std::move(k);
 }
+
+Error CLArithmeticSubtraction::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, ConvertPolicy policy)
+{
+    return CLArithmeticSubtractionKernel::validate(input1, input2, output, policy);
+}
diff --git a/src/runtime/CL/functions/CLBatchNormalizationLayer.cpp b/src/runtime/CL/functions/CLBatchNormalizationLayer.cpp
index 68cdaac..c4e307e 100644
--- a/src/runtime/CL/functions/CLBatchNormalizationLayer.cpp
+++ b/src/runtime/CL/functions/CLBatchNormalizationLayer.cpp
@@ -42,6 +42,14 @@
     _norm_kernel.configure(input, output, mean, var, beta, gamma, epsilon);
 }
 
+Error CLBatchNormalizationLayer::validate(const ITensorInfo *input, const ITensorInfo *output,
+                                          const ITensorInfo *mean, const ITensorInfo *var,
+                                          const ITensorInfo *beta, const ITensorInfo *gamma,
+                                          float epsilon)
+{
+    return CLBatchNormalizationLayerKernel::validate(input, output, mean, var, beta, gamma, epsilon);
+}
+
 void CLBatchNormalizationLayer::run()
 {
     CLScheduler::get().enqueue(_norm_kernel, true);
diff --git a/src/runtime/CL/functions/CLPixelWiseMultiplication.cpp b/src/runtime/CL/functions/CLPixelWiseMultiplication.cpp
index 139d466..164ff15 100644
--- a/src/runtime/CL/functions/CLPixelWiseMultiplication.cpp
+++ b/src/runtime/CL/functions/CLPixelWiseMultiplication.cpp
@@ -37,3 +37,9 @@
     k->configure(input1, input2, output, scale, overflow_policy, rounding_policy);
     _kernel = std::move(k);
 }
+
+Error CLPixelWiseMultiplication::validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float scale,
+                                          ConvertPolicy overflow_policy, RoundingPolicy rounding_policy)
+{
+    return CLPixelWiseMultiplicationKernel::validate(input1, input2, output, scale, overflow_policy, rounding_policy);
+}
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