Several fetcher need a way to strip leading slashes off a local path.
This helper-function consolidates all such occurances.
(Bitbake rev: 823a02185ed109054c6c1ae366221aaed0353f24)
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>