docs: Add strategies for assembling root filesystems.
Expand the documentation for using a crosstool-NG-generated toolchain for
building a root filesystem for a target device.
Signed-off-by: "Trevor Woerner" <twoerner@gmail.com>
yann.morin.1998@anciens.enib.fr: some eye-candy]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
2 reporter_url="http://ymorin.is-a-geek.org/"