disable mmc debug
disable mmc debug

nzjrs/overo-openembedded,nzjrs/overo-openembedded,nzjrs/overo-openembedded,nzjrs/overo-openembedded,nzjrs/overo-openembedded,nzjrs/overo-openembedded,nzjrs/overo-openembedded