The right hand side of dependencies in the task dependency file generated
by bitbake -g was missing multiconfig prefixes, corrupting the data. Fix
this.
[YOCTO #14621]
(Bitbake rev: 1d5ca721040c5e39aefa11219f62710de6587701)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>