[lib][debugcommands] preflight the address to dump with the mmu (if present)
[lib][debugcommands] preflight the address to dump with the mmu (if present)

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