[MIPS] pb1000: Replace obsolete memsetup.S with lowlevel_init.S

Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
diff --git a/board/pb1x00/Makefile b/board/pb1x00/Makefile
index f7d5841..afe02c2 100644
--- a/board/pb1x00/Makefile
+++ b/board/pb1x00/Makefile
@@ -26,7 +26,7 @@
 LIB	= $(obj)lib$(BOARD).a
 
 COBJS	= $(BOARD).o flash.o
-SOBJS	= memsetup.o
+SOBJS	= lowlevel_init.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/pb1x00/memsetup.S b/board/pb1x00/lowlevel_init.S
similarity index 98%
rename from board/pb1x00/memsetup.S
rename to board/pb1x00/lowlevel_init.S
index 44f02b9..e851e2f 100644
--- a/board/pb1x00/memsetup.S
+++ b/board/pb1x00/lowlevel_init.S
@@ -15,8 +15,8 @@
 	.set noreorder
 	.set mips32
 
-	.globl	memsetup
-memsetup:
+	.globl	lowlevel_init
+lowlevel_init:
 	/*
 	 * Step 1) Establish CPU endian mode.
 	 * NOTE: A fair amount of code is necessary on the Pb1000 to