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/pleb2/Makefile b/board/pleb2/Makefile
index 5fdc874..95d9170 100644
--- a/board/pleb2/Makefile
+++ b/board/pleb2/Makefile
@@ -27,7 +27,7 @@
 LIB	= lib$(BOARD).a
 
 OBJS	:= pleb2.o flash.o
-SOBJS	:= memsetup.o
+SOBJS	:= lowlevel_init.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS) $(SOBJS)
diff --git a/board/pleb2/memsetup.S b/board/pleb2/lowlevel_init.S
similarity index 98%
rename from board/pleb2/memsetup.S
rename to board/pleb2/lowlevel_init.S
index f2e1ce9..add2c53 100644
--- a/board/pleb2/memsetup.S
+++ b/board/pleb2/lowlevel_init.S
@@ -33,8 +33,8 @@
 	sub	pc,pc,#4
 	.endm
 
-.globl memsetup
-memsetup:
+.globl lowlevel_init
+lowlevel_init:
 
 	mov	r10, lr
 
@@ -485,4 +485,4 @@
 
 	mov	pc, r10
 
-@ End memsetup
+@ End lowlevel_init