hwstub: produce sb1 image too (for STMP3600)

Change-Id: Ib7f38fba1e524ed7438cdc395441d801c5eabcaa
diff --git a/utils/hwstub/stub/stmp/Makefile b/utils/hwstub/stub/stmp/Makefile
index c06242a..006f4ea 100644
--- a/utils/hwstub/stub/stmp/Makefile
+++ b/utils/hwstub/stub/stmp/Makefile
@@ -5,16 +5,23 @@
 LD=arm-elf-eabi-gcc
 AS=arm-elf-eabi-gcc
 OC=arm-elf-eabi-objcopy
-SBTOELF=$(CURDIR)/../../../imxtools/sbtools/elftosb
+SBTOOLS=$(CURDIR)/../../../imxtools/sbtools
+ELFTOSB=$(SBTOOLS)/elftosb
+ELFTOSB1=$(SBTOOLS)/elftosb1
 DEFINES=
 INCLUDES=-I$(CURDIR)
 GCCOPTS=-mcpu=arm926ej-s
 BUILD_DIR=$(CURDIR)/build/
 ROOT_DIR=$(CURDIR)/..
-EXEC=$(BUILD_DIR)/hwstub.sb
+EXEC=$(BUILD_DIR)/hwstub.sb $(BUILD_DIR)/hwstub.sb1
 
 include ../hwstub.make
 
 $(BUILD_DIR)/hwstub.sb: $(EXEC_BIN)
-	$(call PRINTS,SBTOELF $(@F))
-	$(SILENT)$(SBTOELF) -z -c hwstub.db -o $@ $<
+	$(call PRINTS,ELFTOSB $(@F))
+	$(SILENT)$(ELFTOSB) -z -c hwstub.db -o $@ $<
+
+
+$(BUILD_DIR)/hwstub.sb1: $(EXEC_BIN)
+	$(call PRINTS,ELFTOSB1 $(@F))
+	$(SILENT)$(ELFTOSB1) -load-binary $< 0 -jump 0 -o $@
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