doc: fix doxy syntax for hiding internal symbols
EXCLUDE_SYMBOLS uses spaces as seperator and not commas.
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
diff --git a/doc/zephyr.doxyfile b/doc/zephyr.doxyfile
index 63e5362..867e2fa 100644
--- a/doc/zephyr.doxyfile
+++ b/doc/zephyr.doxyfile
@@ -832,7 +832,7 @@
# Hide internal names (starting with an underscore, and doxygen-generated names
# for nested unnamed unions that don't generate meaningful sphinx output anyway.
-EXCLUDE_SYMBOLS = _*, *.__unnamed__
+EXCLUDE_SYMBOLS = _* *.__unnamed__
# The EXAMPLE_PATH tag can be used to specify one or more files or directories
# that contain example code fragments that are included (see the \include
