bootstage: Eliminate when not enabled

When we do not have bootstage enabled, rather than include an empty
dummy function, we just don't reference it.  This saves us space in some
tight builds.  This also shows a few cases where show_boot_progress was
incorrectly guarded before.

Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/Seagate/goflexhome/goflexhome.c b/board/Seagate/goflexhome/goflexhome.c
index 4c19fa7..af8cab7 100644
--- a/board/Seagate/goflexhome/goflexhome.c
+++ b/board/Seagate/goflexhome/goflexhome.c
@@ -142,6 +142,7 @@
 }
 #endif /* CONFIG_RESET_PHY_R */
 
+#if CONFIG_IS_ENABLED(BOOTSTAGE)
 #define GREEN_LED	(1 << 14)
 #define ORANGE_LED	(1 << 15)
 #define BOTH_LEDS	(GREEN_LED | ORANGE_LED)
@@ -175,3 +176,4 @@
 		break;
 	}
 }
+#endif