Depthwise channel pre-multiplication

Resolves: COMPMID-6337
Change-Id: Ie9097b3f56e8071426c621386a5988bd7f7e8ef2
Signed-off-by: Michael Tyler <michael.tyler@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9852
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/assembly/depthwise_common.hpp b/src/core/NEON/kernels/assembly/depthwise_common.hpp
index fea6326..a5db793 100644
--- a/src/core/NEON/kernels/assembly/depthwise_common.hpp
+++ b/src/core/NEON/kernels/assembly/depthwise_common.hpp
@@ -85,7 +85,7 @@
         size_t      ld_weight_row = 0) = 0;
 
     // Determine the amount of working space required
-    virtual size_t get_working_size(unsigned int n_threads, unsigned int n_input_channels) const = 0;
+    virtual size_t get_working_size(unsigned int n_threads) const = 0;
 
     // Execute the convolution over the specified area of memory.
     virtual void execute(