Update Osmocom recipes to latest tags (release 202102)

Change-Id: I1134998ca9d20c5f204b4770fa6bf18497a54402
diff --git a/recipes-osmocom/libosmocore/libosmocore_git.bb b/recipes-osmocom/libosmocore/libosmocore_git.bb
index 205da74..9717511 100644
--- a/recipes-osmocom/libosmocore/libosmocore_git.bb
+++ b/recipes-osmocom/libosmocore/libosmocore_git.bb
@@ -1,9 +1,9 @@
 require ${PN}.inc
 
 S = "${WORKDIR}/git"
-SRCREV = "34b328b6d040d31017269f7558cf9354bdeea8dd"
-SRC_URI = "git://git.osmocom.org/libosmocore.git;protocol=git;nobranch=1"
-PV = "1.4.2+gitr${SRCPV}"
+SRCREV = "1.5.1"
+SRC_URI = "git://git.osmocom.org/libosmocore.git;protocol=git;tag=${SRCREV};nobranch=1"
+PV = "1.5.1+gitr${SRCPV}"
 PR = "${INC_PR}.0"
 
 PACKAGES =+ "libosmoctrl libosmocodec libosmogb libosmogsm libosmovty osmo-arfcn osmo-auc-gen osmo-config-merge"