Created by: yiicy

• armv7, v8 support sgemv transA

• armv7, v8 support sgemm c4

• fix lrn param not match paddle

sgemm c4的性能在kirin990上大约可以达到百分之85的峰值性能， 目前还不支持transA, transB，为支持c4的winograd作准备