trx: Add Hardware architecture support section

Change-Id: I38388bcb2ea7c0481052d3bca589cb34965ea7fa
diff --git a/doc/manuals/osmotrx-usermanual.adoc b/doc/manuals/osmotrx-usermanual.adoc
index 3b2e991..f2ccbaf 100644
--- a/doc/manuals/osmotrx-usermanual.adoc
+++ b/doc/manuals/osmotrx-usermanual.adoc
@@ -23,6 +23,8 @@
 
 include::chapters/configuration.adoc[]
 
+include::chapters/trx-architectures.adoc[]
+
 include::../common/chapters/trx_if.adoc[]
 
 include::../common/chapters/port_numbers.adoc[]