fconf: Load config dtb from bl1

Move the loading of the dtb from arm_dym_cfg to fconf. The new loading
function is not associated to arm platform anymore, and can be moved
to bl_main if wanted.

Change-Id: I847d07eaba36d31d9d3ed9eba8e58666ea1ba563
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
diff --git a/include/lib/fconf/fconf.h b/include/lib/fconf/fconf.h
index c5f10d2..5a5837f 100644
--- a/include/lib/fconf/fconf.h
+++ b/include/lib/fconf/fconf.h
@@ -35,6 +35,9 @@
 	int (*populate)(uintptr_t config);
 };
 
+/* Load firmware configuration dtb */
+void fconf_load_config(void);
+
 /* Top level populate function
  *
  * This function takes a configuration dtb and calls all the registered