IVGCVSW-4211 Rename QuantisedSymm8 to QSymmS8

!armnn:2421

Signed-off-by: FinnWilliamsArm <Finn.Williams@Arm.com>
Change-Id: I30da5235f6610306f9300b4532cf2c79ee8789f8
diff --git a/Utils.cpp b/Utils.cpp
index a5a6ef0..0211e92 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -122,7 +122,7 @@
             type = armnn::DataType::QuantisedAsymm8;
             break;
         case V1_2::OperandType::TENSOR_QUANT8_SYMM:
-            type = armnn::DataType::QuantisedSymm8;
+            type = armnn::DataType::QSymmS8;
             break;
         case V1_2::OperandType::TENSOR_QUANT16_SYMM:
             type = armnn::DataType::QuantisedSymm16;