When building multilibs, we need to inject the multilib sstate pkgarch
into SSTATE_ARCHS so the list forms a complete search path. Add a tweak
to do this.
PACKAGE_ARCH defaults to TUNE_PKGARCH so this is equivalent and just
guards against recipes changing the value which may have other unwanted
side effects.
(From OE-Core rev: 37126ffc7ccbd3df57ebbd8e581d158f03bb3b4c)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
84e17003c6