In parallel builds utils/kconfig-tweak may be written to before utils/ exists,
so add a mkdir.
Also mark the pkgconfig patch as Submitted as I sent that upstream at the same
time.
(From OE-Core rev: 59921b3ce23fe0d391558425f7a5ade45cbcbd80)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>