Added a few more fused_convolution notes
Added a few more fused_convolution notes


Former-commit-id: d53e8479a1d2be4c87c2f109118984e8692ba810
Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide