This allow the relocation of libexecdir to be done correctly
for the qemu-brigde-helper.
(From OE-Core rev: 945c8f5c687ec61c312209e075edc402f6272186)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>