IVGCVSW-7791 Enable dynamic bias in Conv in CpuAcc and GpuAcc

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: I722a9e4f3dba2500c624c6326f74085277e0d631
diff --git a/src/backends/cl/workloads/ClConvolution2dWorkload.cpp b/src/backends/cl/workloads/ClConvolution2dWorkload.cpp
index d6a72e6..32152b5 100644
--- a/src/backends/cl/workloads/ClConvolution2dWorkload.cpp
+++ b/src/backends/cl/workloads/ClConvolution2dWorkload.cpp
@@ -41,12 +41,10 @@
 
     if (descriptor.m_BiasEnabled)
     {
-        ARMNN_ASSERT(biases.has_value());
-        // Same for bias as weights. We don't currently support non const.
-        if (!biases.value().IsConstant())
+        if (!biases.has_value())
         {
             return arm_compute::Status{arm_compute::ErrorCode::RUNTIME_ERROR,
-                                       "ArmNN ClConvolution2dWorkload does not support non constant bias."};
+                                       "ArmNN ClConvolution2dWorkload has empty bias value."};
         }
         aclBiasesInfo = BuildArmComputeTensorInfo(biases.value(), descriptor.m_DataLayout);
         aclBiasesInfo.set_are_values_constant(biases.value().IsConstant());
@@ -94,8 +92,6 @@
     {
         arm_compute::ICLTensor& bias = static_cast<IClTensorHandle*>(m_Data.m_Inputs[2])->GetTensor();
         bias.info()->set_are_values_constant(info.m_InputTensorInfos[2].IsConstant());
-        // We do not support dynamic bias
-        ARMNN_ASSERT(info.m_InputTensorInfos[2].IsConstant() == true);
 
         m_BiasProxy = std::make_unique<ICLTensorProxy>(&bias);
     }