meta-zephyr-sdk: Downgrade glibc to 2.27

This commit pulls in the Poky commit that downgrades the glibc version
to 2.27 in order to ensure that the nativesdk binaries are compatible
with older Linux distros.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>

Author: stephanosio

meta-zephyr-sdk/scripts/meta-zephyr-sdk-clone.sh

@@ -18,7 +18,7 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 
-POKY_KNOWN_COMMIT=${POKY_COMMIT:-"08665a81dcd41069eed1468f1587abe6b5893471"}
+POKY_KNOWN_COMMIT=${POKY_COMMIT:-"528279328f390ea2db3034cebc37306816abee8d"}
 META_ZEPHYR_SDK_SOURCE=${SDK_SOURCE:-"meta-zephyr-sdk"}
 META_POKY_SOURCE=${POKY_SOURCE:-"poky"}
 META_ZEPHYR_SDK_SOURCE=$(readlink -f $META_ZEPHYR_SDK_SOURCE)
@@ -30,7 +30,7 @@ if [ ! -d $META_ZEPHYR_SDK_SOURCE ] ; then
 fi
 
 if [ ! -d $META_POKY_SOURCE ] ; then
-	git clone http://git.yoctoproject.org/git/poky
+	git clone https://github.com/zephyrproject-rtos/poky.git
 	META_POKY_SOURCE=$(readlink -f "poky")
 fi