Changes in decoding:
-copied decoding routines from libosmocore to gr-gsm,
-made cmake files entries for new source files and added linking with libosmocodec,
-moved sch.c file to decoding folder.
diff --git a/cmake/Modules/FindLibosmocore.cmake b/cmake/Modules/FindLibosmocore.cmake
index 1704bf6..9e4f3c4 100644
--- a/cmake/Modules/FindLibosmocore.cmake
+++ b/cmake/Modules/FindLibosmocore.cmake
@@ -1,4 +1,5 @@
-find_package(PkgConfig)
+#find_package(PkgConfig)
+INCLUDE(FindPkgConfig)
pkg_check_modules(PC_libosmocore libosmocore)
pkg_check_modules(PC_libosmogsm libosmogsm)
set(LIBOSMOCORE_DEFINITIONS ${PC_LIBOSMOCORE_CFLAGS_OTHER})