Integrator[AP/CP] - Remove unused file memsetup.S

- memsetup.s is changed/merged to lowlevel_init.S
  memsetup.S has a global label memsetup that just returns back to caller
- memsetup global label is changed/merged to lowlevel_init
  This label is not called from anywhere.

Signed-off-by: Gururaja Hebbar <gururajakr@sanyo.co.in>
diff --git a/board/integratorap/Makefile b/board/integratorap/Makefile
index f78de3a..79f501a 100644
--- a/board/integratorap/Makefile
+++ b/board/integratorap/Makefile
@@ -30,7 +30,7 @@
 LIB	= $(obj)lib$(BOARD).a
 
 COBJS	:= integratorap.o flash.o
-SOBJS	:= lowlevel_init.o memsetup.o
+SOBJS	:= lowlevel_init.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))