Rename quantized data types to remove ambiguity for signed/unsigned payloads

!android-nn-driver:2572

Change-Id: I8fe52ceb09987b3d05c539409510f535165455cc
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/backends/neon/workloads/NeonGreaterWorkload.cpp b/src/backends/neon/workloads/NeonGreaterWorkload.cpp
index 6239626..6380dfa 100644
--- a/src/backends/neon/workloads/NeonGreaterWorkload.cpp
+++ b/src/backends/neon/workloads/NeonGreaterWorkload.cpp
@@ -44,6 +44,6 @@
 }
 
 template class NeonGreaterWorkload<DataType::Float32>;
-template class NeonGreaterWorkload<DataType::QuantisedAsymm8>;
+template class NeonGreaterWorkload<DataType::QAsymmU8>;
 
 } //namespace armnn
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