Add support for SST49LF040

Corresponding to flashrom svn r5 and coreboot v2 svn r1422.
diff --git a/Makefile b/Makefile
index fee59e3..aea1ae8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 OBJS = jedec.o sst28sf040.o am29f040b.o mx29f002.c sst39sf020.o m29f400bt.o \
-	w49f002u.o 82802ab.o msys_doc.o pm49fl004.o
+	w49f002u.o 82802ab.o msys_doc.o pm49fl004.o sst49lf040.o
 CC = gcc -O2 -g -Wall -Werror
 
 all: flash_rom flash_on
@@ -15,7 +15,7 @@
 
 flash_rom.o: flash_rom.c flash.h jedec.h \
 	82802ab.h am29f040b.h m29f400bt.h msys_doc.h mx29f002.h sst28sf040.h \
-	sst39sf020.h w49f002u.h
+	sst39sf020.h w49f002u.h sst49lf040.h
 flash_on.o: flash_on.c
 
 82802ab.o:    82802ab.c    82802ab.h            flash.h
@@ -25,6 +25,7 @@
 mx29f002.o:   mx29f002.c   mx29f002.h   jedec.h flash.h
 sst28sf040.o: sst28sf040.c sst28sf040.h jedec.h flash.h
 sst39sf020.o: sst39sf020.c sst39sf020.h jedec.h flash.h
+sst49lf040.o: sst49lf040.c sst49lf040.h jedec.h flash.h
 w49f002u.o:   w49f002u.c   w49f002u.h   jedec.h flash.h
 pm49fl004.o:   pm49fl004.c   pm49fl004.h   jedec.h flash.h