COMPMID-2225: Add interface support for new quantized data types.

Add support for:
-QSYMM8, 8-bit quantized symmetric
-QSYMM8_PER_CHANNEL, 8-bit quantized symmetric with per channel quantization

Change-Id: I00c4ff98e44af37419470af61419ee95d0de2463
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1236
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEGEMMMatrixVectorMultiplyKernel.cpp b/src/core/NEON/kernels/NEGEMMMatrixVectorMultiplyKernel.cpp
index cba3390..0e77ead 100644
--- a/src/core/NEON/kernels/NEGEMMMatrixVectorMultiplyKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMMatrixVectorMultiplyKernel.cpp
@@ -179,8 +179,8 @@
     Iterator in2(_input1, window_w);
     Iterator out(_output, window_out);
 
-    const int input_offset   = -_input0->info()->quantization_info().offset;
-    const int weights_offset = -_input1->info()->quantization_info().offset;
+    const int input_offset   = -_input0->info()->quantization_info().uniform().offset;
+    const int weights_offset = -_input1->info()->quantization_info().uniform().offset;
 
     const int input_w          = _input0->info()->dimension(0);
     const int input_h          = _input0->info()->dimension(1);