Revert "initcall: Move to inline function"

Somehow I do not see any inlining with initcalls now. I was sure I saw
it when this commit went in, but now it seems to make things worse.

This reverts commit 47870afab92fca6e672c03d0dea802a55e200675.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_r.c b/common/board_r.c
index 598155c..8586086 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -583,7 +583,10 @@
 }
 
 /*
- * We hope to remove most of the driver-related init and do it if/when
+ * Over time we hope to remove these functions with code fragments and
+ * stub functions, and instead call the relevant function directly.
+ *
+ * We also hope to remove most of the driver-related init and do it if/when
  * the driver is later used.
  *
  * TODO: perhaps reset the watchdog in the initcall function after each call?