sinit: link /bin/init to sinit
sinit: link /bin/init to sinit

this also makes sure the default init=/init isn't required anymore.

Signed-off-by: Hiltjo Posthuma <beac64775994bd03f8338d45f4c20cf3f4ca0f71@codemadness.org>

henrysher/morpheus,minos-org/morpheus-base