yocto-check-layer-wrapper: Fix path for oe-init-build-env
We only could run it in top of oe-core dir since it assumed oe-init-build-env
was in cwd, this patch fixes the problem.
[YOCTO #13148]
(From OE-Core rev: 47d7b5fcad127171243cc95c586c2c7f35cfac3b)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>