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

Make all changes to #include statements and build files.
diff --git a/src/hnbap/RAI.c b/src/hnbap/RAI.c
index 2259163..3591129 100644
--- a/src/hnbap/RAI.c
+++ b/src/hnbap/RAI.c
@@ -5,7 +5,7 @@
  * 	`asn1c -gen-PER`
  */
 
-#include <osmocom/osmo-iuh/hnbap/RAI.h>
+#include <osmocom/hnbap/RAI.h>
 
 static asn_TYPE_member_t asn_MBR_RAI_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct RAI, lAI),