[dev][virtio] update memory allocations to match VM alignment api
[dev][virtio] update memory allocations to match VM alignment api

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