aarch64: move kernel and initrd to boot/aarch64/loader
Merge pull request #35 from andreas-schwab/master

aarch64: move kernel and initrd to boot/aarch64/loader
aarch64: move kernel and initrd back to boot/aarch64
auto-add kernel modules needed due to module dependencies
Merge pull request #36 from andreas-schwab/master

aarch64: move kernel and initrd back to boot/aarch64
fix Makefile