Add meta-balena-hab submodule

Changelog-entry: add meta-balena-hab submodule
Signed-off-by: Alex Gonzalez <alexg@balena.io>

.gitmodules

@@ -38,3 +38,6 @@
 	path = layers/meta-imx8mp-isp-imx219
 	url = https://github.com/compulab-yokneam/meta-imx8mp-isp-imx219.git
 	branch = kirkstone-2.2.0
+[submodule "layers/meta-balena-hab"]
+	path = layers/meta-balena-hab
+	url = git@github.com:balena-os/meta-balena-hab.git

layers/meta-balena-imx8mplus/conf/samples/bblayers.conf.sample

@@ -10,6 +10,7 @@ BBLAYERS ?= " \
     ${TOPDIR}/../layers/meta-balena/meta-balena-common \
     ${TOPDIR}/../layers/meta-balena/meta-balena-kirkstone \
     ${TOPDIR}/../layers/meta-balena-imx8mplus \
+    ${TOPDIR}/../layers/meta-balena-hab \
     ${TOPDIR}/../layers/poky/meta \
     ${TOPDIR}/../layers/poky/meta-poky \
     ${TOPDIR}/../layers/meta-openembedded/meta-oe \