busybox: Add use flags for blockdev and cksum utils
busybox: Add use flags for blockdev and cksum utils

oe-lite/base,oe-lite/base,oe-lite/base,oe-lite/base,moths/base,esben/base,oe-lite/base,esben/base,moths/base,esben/base,esben/base,esben/base,moths/base,moths/base,moths/base,esben/base,oe-lite/base,moths/base