Added preconfigured demapper blocks that wrap universal ctrl chans demapper
diff --git a/grc/demapping/CMakeLists.txt b/grc/demapping/CMakeLists.txt
index 609815b..84f4fee 100644
--- a/grc/demapping/CMakeLists.txt
+++ b/grc/demapping/CMakeLists.txt
@@ -19,5 +19,8 @@
 
 install(FILES
     gsm_universal_ctrl_chans_demapper.xml
+    gsm_bcch_ccch_demapper.xml
+    gsm_bcch_ccch_sdcch4_demapper.xml
+    gsm_sdcch8_demapper.xml
     gsm_tch_f_chans_demapper.xml DESTINATION share/gnuradio/grc/blocks
 )