Remove osmo-iuh subdir level from include/ (2/2)

Make all changes to #include statements and build files.
diff --git a/include/osmocom/hnbap/RAI.h b/include/osmocom/hnbap/RAI.h
index 6ecd006..a044246 100644
--- a/include/osmocom/hnbap/RAI.h
+++ b/include/osmocom/hnbap/RAI.h
@@ -12,8 +12,8 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
-#include <osmocom/osmo-iuh/hnbap/LAI.h>
-#include <osmocom/osmo-iuh/hnbap/RAC.h>
+#include <osmocom/hnbap/LAI.h>
+#include <osmocom/hnbap/RAC.h>
 #include <constr_SEQUENCE.h>
 
 #ifdef __cplusplus