This will configure the build-st/conf/local.conf with the SSTATE_DIR
of the parent build dir to speed up the build, test, dev process.
(From OE-Core rev: 71dca60ddcf4370ff7e91de6ddf8a7d4cf76db50)
Signed-off-by: Thomas Roos <throos@amazon.de>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>