[lib][bio] add crc32 debug command
[lib][bio] add crc32 debug command

Checksums a range of a block device.

travisg/lk,nvll/lk,littlekernel/lk,nvll/lk,hollanderic/lkstuff,hollanderic/lkstuff,nvll/lk,travisg/lk,grub4android/lk,skabet/lk,skabet/lk,littlekernel/lk,ErikCorryGoogle/lk,minglun-tsai/lk,GCrean/lk,ErikCorryGoogle/lk,minglun-tsai/lk,nvll/lk,GCrean/lk,minglun-tsai/lk,srodrig1/lk,sndnvaps/lk,sndnvaps/lk,littlekernel/lk,sndnvaps/lk,M1cha/lk,GCrean/lk,littlekernel/lk,grub4android/lk,hollanderic/lkstuff,nvll/lk,srodrig1/lk,ErikCorryGoogle/lk,srodrig1/lk,M1cha/lk,srodrig1/lk,grub4android/lk,skabet/lk,srodrig1/lk,travisg/lk,grub4android/lk,minglun-tsai/lk,travisg/lk,hollanderic/lkstuff,skabet/lk,GCrean/lk,sndnvaps/lk,ErikCorryGoogle/lk,M1cha/lk,skabet/lk,grub4android/lk,M1cha/lk,sndnvaps/lk,GCrean/lk,M1cha/lk