[QNNPACK Sparsity] Add aarch64 kernel of 8x1 sparsity (#51120)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51120
Adds asm kernels for aarch64 using 8x1 sparsity. Also remove aarch32 8x4 prepacked kernels and 8x4 inline packed sse2 kernels.
Test Plan:
q8gemm-sparse-test
Imported from OSS
Reviewed By: AshkanAliabadi
Differential Revision: D26077766
fbshipit-source-id: 29793d30a47b8f4084daf8950d925dc804d3dc59
