ASCI: Update commit hash of titan.ProtocolModules.MobileL3_v13.4.0

After fixing GCC and BCC transaction ID, the new head is:
b6602eb357673f097ea1a1d22edd568ecd239da1

Related: OS#4854
Change-Id: I2833750a8cf1def74f92a5a50f0d271891cee05f
diff --git a/deps/Makefile b/deps/Makefile
index c9aa1cf..0c8688f 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -104,7 +104,7 @@
 titan.ProtocolModules.MAP_commit=		R.2.A-1-g79c6a3d
 titan.ProtocolModules.M2PA_commit=		R.2.A-5-ga75b589
 titan.ProtocolModules.M3UA_commit=		c496d298876fed55c2b730278b7ee77982555563
-titan.ProtocolModules.MobileL3_v13.4.0_commit=	76a3557f69834b6171652aaeaeef220444c35ba7
+titan.ProtocolModules.MobileL3_v13.4.0_commit=	b6602eb357673f097ea1a1d22edd568ecd239da1
 titan.ProtocolModules.NAS_EPS_15.2.0.1_commit=	R.1.A-2-g2ba853c
 titan.ProtocolModules.NS_v7.3.0_commit=		R.2.A-6-gf73f195
 titan.ProtocolModules.RTP_commit=		R.5.A-4-g83ee83a