docs: display the full include path in doxygen

Change-Id: I15a670f1cd87c0760ba39fcc87129dc1a494c2d0
Refs: #4041
diff --git a/docs/doxygen.conf.in b/docs/doxygen.conf.in
index e353524..4ed7c55 100644
--- a/docs/doxygen.conf.in
+++ b/docs/doxygen.conf.in
@@ -140,7 +140,7 @@
 # shortest path that makes the file name unique will be used
 # The default value is: YES.
 
-FULL_PATH_NAMES        = NO
+FULL_PATH_NAMES        = YES
 
 # The STRIP_FROM_PATH tag can be used to strip a user-defined part of the path.
 # Stripping is only done if one of the specified strings matches the left-hand
@@ -161,7 +161,7 @@
 # specify the list of include paths that are normally passed to the compiler
 # using the -I flag.
 
-STRIP_FROM_INC_PATH    =
+STRIP_FROM_INC_PATH    = ..
 
 # If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
 # less readable) file names. This can be useful is your file systems doesn't