squeeze doesnt have wvdial

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
RootStock-NG: make sure /boot/uboot exists

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
RootStock-NG: firmware: add rtlwifi

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>