move asn1 headers to include/ dir (5/5)
Do all remaining changes necessary for a working build.
Add Makefile.am files in include/... subdirs.
Remove noinst_HEADERS directives from src/*/Makefile.am, but keep the headers
list to feed to move-asn1-header-files.sh.
Adjust all #includes in src/*_common.h and elsewhere. In hnbap_common.h,
separate the ASN.1 "primitive" headers from the others, and include them
without a subdir path, as before.
diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..3e32d0f
--- /dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,2 @@
+SUBDIRS = osmocom
+