libosmo-abis: Split libosmotrau into its own package

Change-Id: Ica8b6c39aed9f3370aeab84e821c8de871d2f0be
diff --git a/recipes-osmocom/libosmo-abis/libosmo-abis.inc b/recipes-osmocom/libosmo-abis/libosmo-abis.inc
index 15a512a..3f1ce3c 100644
--- a/recipes-osmocom/libosmo-abis/libosmo-abis.inc
+++ b/recipes-osmocom/libosmo-abis/libosmo-abis.inc
@@ -10,4 +10,11 @@
 
 inherit autotools pkgconfig
 
-ALLOW_EMPTY_libosmo-abis = "1"
+PACKAGES =+ "libosmotrau libosmotrau-dev"
+
+FILES_libosmotrau = "${libdir}/libosmotrau${SOLIBS}"
+FILES_libosmotrau-dev = " \
+			${includedir}/osmocom/trau \
+			${libdir}/pkgconfig/libosmotrau.pc \
+			${libdir}/libosmotrau${SOLIBSDEV} \
+			"