Prepare for SoC rework of ARM code:
- rename CONFIG_BOOTBINFUNC into  CONFIG_INIT_CRITICAL
- rename memsetup into lowlevel_init (function name and source files)
diff --git a/cpu/arm720t/start.S b/cpu/arm720t/start.S
index bde936a..0e15965 100644
--- a/cpu/arm720t/start.S
+++ b/cpu/arm720t/start.S
@@ -316,10 +316,10 @@
 	/*
 	 * before relocating, we have to setup RAM timing
 	 * because memory timing is board-dependent, you will
-	 * find a memsetup.S in your board directory.
+	 * find a lowlevel_init.S in your board directory.
 	 */
 	mov	ip, lr
-	bl	memsetup
+	bl	lowlevel_init
 	mov	lr, ip
 
 	mov	pc, lr