OsmoGSMTester: Add deps required for osmo-bts-octphy support

Change-Id: I384ec8cd55cfaa68ee1f461de99ceac78c5d8414
diff --git a/doc/manuals/chapters/install.adoc b/doc/manuals/chapters/install.adoc
index 8397459..112d4f9 100644
--- a/doc/manuals/chapters/install.adoc
+++ b/doc/manuals/chapters/install.adoc
@@ -24,6 +24,9 @@
   python3-mako \
   python3-gi \
   ofono \
+  patchelf \
+  sudo \
+  libcap2-bin \
   python3-pip
 pip3 install pydbus
 pip3 install git+git://github.com/podshumok/python-smpplib.git