osmocom: Upgrade libosmocore and openbsc to newer versions

Build newer versions of libosmocore and openbsc.
diff --git a/recipes-osmocom/libosmocore/libosmocore_git.bb b/recipes-osmocom/libosmocore/libosmocore_git.bb
index d3428ec..e85f3e6 100644
--- a/recipes-osmocom/libosmocore/libosmocore_git.bb
+++ b/recipes-osmocom/libosmocore/libosmocore_git.bb
@@ -1,7 +1,7 @@
 require ${PN}.inc
 
 S = "${WORKDIR}/git"
-SRCREV = "3a5f08c221b32381623e50095de2751183e994c4"
+SRCREV = "df90aedcc72e40bac9e87618dd9437e1e9b6d12a"
 SRC_URI = "git://git.osmocom.org/libosmocore.git;protocol=git"
 PV = "0.4.1+gitr${SRCPV}"
 PR = "0"