[Cherry-Pick][Optimization] merge matmul and add(#6986) #7184

zoooo0820 merged 2 commits intoPaddlePaddle:release/2.5PaddlePaddle/FastDeploy:release/2.5from

BingooYang:2.5/linear_optBingooYang/FastDeploy:2.5/linear_optCopy head branch name to clipboard