initcall: Support manual relocation

Move the manual-relocation code to the initcall file. Make sure to avoid
manually relocating event types. Only true function pointers should be
relocated.

Signed-off-by: Simon Glass <sjg@chromium.org>

lib/initcall.c

@@ -97,3 +97,13 @@ int initcall_run_list(const init_fnc_t init_sequence[])
 
 	return 0;
 }
+
+void initcall_manual_reloc(init_fnc_t init_sequence[])
+{
+	init_fnc_t *ptr;
+
+	for (ptr = init_sequence; *ptr; ptr++) {
+		if (!initcall_is_event(*ptr))
+			MANUAL_RELOC(*ptr);
+	}
+}