libosmocore: Bump version for cell broadcast

This is not a new release but the ABI has changed, force a
re-build of all dependend packages.
diff --git a/recipes-osmocom/libosmocore/libosmocore_git.bb b/recipes-osmocom/libosmocore/libosmocore_git.bb
index c080c9d..1a9f515 100644
--- a/recipes-osmocom/libosmocore/libosmocore_git.bb
+++ b/recipes-osmocom/libosmocore/libosmocore_git.bb
@@ -1,7 +1,7 @@
 require ${PN}.inc
 
 S = "${WORKDIR}/git"
-SRCREV = "96af78650d1de134ebb37ddb829508cf0bd30c51"
+SRCREV = "be4bbeb01b85cbe38c70e0f272e59e4c57f13aa2"
 SRC_URI = "git://git.osmocom.org/libosmocore.git;protocol=git"
 PV = "0.7.0+gitr${SRCPV}"
 PR = "r2"