system: handle creation creation of directories based on read-write filesystem

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
skeleton: change reboot from fsck in rcS behavior

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
board/ryco/configs/rpi_minimal.conf: remove more target packages

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
openssh: create host keys on a read-only file system

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
system: add option to install additional init scripts

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
system/skeleton: fixup /etc/fstab

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
board/ryco/configs: add minimal read-only config

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
board/ryco: add partition 2 to raspberry pi fstab file

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
system: add option to load specific kernel modules during startup

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
board/ryco/configs: update configs

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>