Prepare for SoC rework of ARM code:

- rename CONFIG_BOOTBINFUNC into  CONFIG_INIT_CRITICAL
- rename memsetup into lowlevel_init (function name and source files)

board/gcplus/Makefile

@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
 LIB	= lib$(BOARD).a
 
 OBJS	:= gcplus.o flash.o
-SOBJS	:= memsetup.o
+SOBJS	:= lowlevel_init.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS) $(SOBJS)

board/gcplus/lowlevel_init.S

@@ -29,11 +29,11 @@
 #include "version.h"
 
 
-	.globl	memsetup
-memsetup:
+	.globl	lowlevel_init
+lowlevel_init:
 	/* The ADS GC+ for Linux Boot Rom Ver. 1.73 does memory init for us.
 	 * However the darn thing leaves the MMU enabled before handing control
-	 * over to us. So we need to disable the MMU and we use memsetup
+	 * over to us. So we need to disable the MMU and we use lowlevel_init
 	 * to do it.
 	 */