IVGCVSW-3119 Rename MergerLayer to ConcatLayer

!android-nn-driver:1210

Change-Id: I940b3b9e421c92bfd55ae996f7bc54ac077f2604
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/src/backends/neon/workloads/NeonConcatWorkload.cpp b/src/backends/neon/workloads/NeonConcatWorkload.cpp
index 91f8109..8ea535b 100644
--- a/src/backends/neon/workloads/NeonConcatWorkload.cpp
+++ b/src/backends/neon/workloads/NeonConcatWorkload.cpp
@@ -19,7 +19,7 @@
 
 namespace
 {
-size_t CalcAxis(const armnn::MergerDescriptor& desc)
+size_t CalcAxis(const armnn::OriginsDescriptor& desc)
 {
     return (desc.GetNumDimensions() - desc.GetConcatAxis()) - 1;
 }
@@ -27,7 +27,7 @@
 
 arm_compute::Status NeonConcatWorkloadValidate(const std::vector<const TensorInfo*>& inputs,
                                                const TensorInfo& output,
-                                               const MergerDescriptor& descriptor)
+                                               const OriginsDescriptor& descriptor)
 
 {
     std::vector<arm_compute::TensorInfo> aclInputs;
@@ -48,8 +48,8 @@
 }
 
 NeonConcatWorkload::NeonConcatWorkload(
-const MergerQueueDescriptor& descriptor, const WorkloadInfo& info)
-        : BaseWorkload<MergerQueueDescriptor>(descriptor, info)
+const ConcatQueueDescriptor& descriptor, const WorkloadInfo& info)
+        : BaseWorkload<ConcatQueueDescriptor>(descriptor, info)
 {
     bool allInputsAreSubtensors = true;
 
@@ -58,7 +58,7 @@
     {
         if (!input->GetParent())
         {
-            // Non sub-tensor input found so we need to execute the merger function
+            // Non sub-tensor input found so we need to execute the concat function
             allInputsAreSubtensors = false;
             break;
         }
@@ -66,7 +66,7 @@
 
     if (allInputsAreSubtensors)
     {
-        // Can skip configuring the merger function since it's not executed
+        // Can skip configuring the concat function since it's not executed
         return;
     }