Fixed command dib-init-system not found error

dib-init-system is installed in 04-dib-init-system. Before it is
installed, 10-dib-init-system.bash may be sourced so command not found
issue found.

The patch invokes "/tmp/target.d/dib-init-system" directly in
10-dib-init-system.bash.

Change-Id: I9843224497c7dab8392261b26d62b6d79d1795ee
Merge "Fixed command dib-init-system not found error"