updated gitignore for samples smm once more
updated gitignore for samples smm once more

egeor/libxsmm,hfp/libxsmm,egeor/libxsmm,hfp/libxsmm,maxhutch/libxsmm,egeor/libxsmm,egeor/libxsmm,maxhutch/libxsmm,egeor/libxsmm,hfp/libxsmm,hfp/libxsmm,hfp/libxsmm,hfp/libxsmm,maxhutch/libxsmm,maxhutch/libxsmm,egeor/libxsmm