libosmocore: Update the git recipe to include latest LAPD fix
diff --git a/conf/layer.conf b/conf/layer.conf
index 5679e7e..0ddda0d 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,4 +9,4 @@
 BBFILE_PATTERN_telephony := "^${LAYERDIR}/"
 BBFILE_PRIORITY_telephony = "5"
 
-META_TELEPHONY_OSMO_INC = "3"
+META_TELEPHONY_OSMO_INC = "4"