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/xsengine/Makefile b/board/xsengine/Makefile
index 591b728..ed1464a 100644
--- a/board/xsengine/Makefile
+++ b/board/xsengine/Makefile
@@ -26,7 +26,7 @@
 LIB	= lib$(BOARD).a
 
 OBJS	:= xsengine.o flash.o
-SOBJS	:= memsetup.o
+SOBJS	:= lowlevel_init.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS) $(SOBJS)
diff --git a/board/xsengine/memsetup.S b/board/xsengine/lowlevel_init.S
similarity index 98%
rename from board/xsengine/memsetup.S
rename to board/xsengine/lowlevel_init.S
index b947118..309faab 100644
--- a/board/xsengine/memsetup.S
+++ b/board/xsengine/lowlevel_init.S
@@ -4,8 +4,8 @@
 
 DRAM_SIZE:  .long   CFG_DRAM_SIZE
 
-.globl memsetup
-memsetup:
+.globl lowlevel_init
+lowlevel_init:
 
    mov      r10, lr