libosmo-sccp: Add git recipe for 3G image

Depend on libosmo-netif and lksctp-tools
diff --git a/recipes-osmocom/libosmo-sccp/libosmo-sccp_git.bb b/recipes-osmocom/libosmo-sccp/libosmo-sccp_git.bb
new file mode 100644
index 0000000..058bf9d
--- /dev/null
+++ b/recipes-osmocom/libosmo-sccp/libosmo-sccp_git.bb
@@ -0,0 +1,12 @@
+require ${PN}.inc
+
+DEPENDS += " libosmo-netif lksctp-tools "
+S = "${WORKDIR}/git"
+SRCREV = "8e708d1f2da1b187f631bf08172a5194a85b1a23"
+SRC_URI = "git://git.osmocom.org/libosmo-sccp.git;protocol=git"
+PR = "${INC_PR}.1"
+
+# because "${WORKDIR}/git" is not a git repo, it can't figure out the version
+do_configure_prepend() {
+    echo "${PV}" > ${S}/.tarball-version
+}