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/ep7312/Makefile b/board/ep7312/Makefile
index 2b4c975..c53a3c7 100644
--- a/board/ep7312/Makefile
+++ b/board/ep7312/Makefile
@@ -27,7 +27,7 @@
 LIB	= lib$(BOARD).a
 
 OBJS	:= ep7312.o flash.o
-SOBJS	:= memsetup.o
+SOBJS	:= lowlevel_init.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS) $(SOBJS)
diff --git a/board/ep7312/memsetup.S b/board/ep7312/lowlevel_init.S
similarity index 97%
rename from board/ep7312/memsetup.S
rename to board/ep7312/lowlevel_init.S
index 6078937..5dadb31 100644
--- a/board/ep7312/memsetup.S
+++ b/board/ep7312/lowlevel_init.S
@@ -45,8 +45,8 @@
 sdconf_val:	.long	0x00000522
 /* setting up the memory */
 
-.globl memsetup
-memsetup:
+.globl lowlevel_init
+lowlevel_init:
 	/*
 	 * SYSCON1-3
 	 */