openbsc: Update the OpenBSC SRCREV

* Added NAT MGCP Statistic collection
* SMPP fixes
* BTS type sysmobts is working now
diff --git a/recipes-osmocom/openbsc/openbsc_git.bb b/recipes-osmocom/openbsc/openbsc_git.bb
index 8a739fb..02d45cb 100644
--- a/recipes-osmocom/openbsc/openbsc_git.bb
+++ b/recipes-osmocom/openbsc/openbsc_git.bb
@@ -3,7 +3,7 @@
 PV = "0.13.0+gitr${SRCPV}"
 PR = "${INC_PR}.2"
 
-SRCREV = "1c0c31709462af26bb1a1176c3e8b3491a26d429"
+SRCREV = "b0bf1da4c87f1ab3f9367bbeea615dc86d13131c"
 SRC_URI += "git://git.osmocom.org/openbsc.git;protocol=git"
 
 S = "${WORKDIR}/git/openbsc"