Read gsm.version.baseband for radio version.

gsm.version.baseband is the right property to use for actual radio version.

Bug: b/29296893
Change-Id: Idf7b743f35f23261c0086449131188b1e52fb424
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 884cdf4..93bf856 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -542,7 +542,7 @@
     property_get("ro.build.display.id", build, "(unknown)");
     property_get("ro.build.fingerprint", fingerprint, "(unknown)");
     property_get("ro.build.type", build_type, "(unknown)");
-    property_get("ro.baseband", radio, "(unknown)");
+    property_get("gsm.version.baseband", radio, "(unknown)");
     property_get("ro.bootloader", bootloader, "(unknown)");
     property_get("gsm.operator.alpha", network, "(unknown)");
     strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));