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/board/assabet/setup.S b/board/assabet/setup.S
index fefb431..56ea0dd 100644
--- a/board/assabet/setup.S
+++ b/board/assabet/setup.S
@@ -80,8 +80,8 @@
 LEDS:		.long	NEPONSET_LEDS
 
 
-	.globl memsetup
-memsetup:
+	.globl lowlevel_init
+lowlevel_init:
 
 	/* Setting up the memory and stuff */