tools/tpm: add policy_sign tool

The tool is based on the code from wolfTPM/examples/pcr/policy_sign.c

Author: rizlik

tools/tpm/Makefile

@@ -76,7 +76,7 @@ vpath %.c ./
 
 .PHONY: clean all
 
-all: rot policy_create pcr_extend pcr_read pcr_reset
+all: rot policy_create pcr_extend pcr_read pcr_reset policy_sign
 
 debug: CFLAGS+=$(DEBUG_FLAGS)
 debug: all
@@ -105,6 +105,10 @@ policy_create: $(OBJS_VIRT) policy_create.o
 	@echo "Building Policy Creation Tool"
 	$(Q)$(LD) -o $@ $@.o $(OBJS_VIRT) $(LDFLAGS)
 
+policy_sign: $(OBJS_VIRT) policy_sign.o
+	@echo "Building Policy Sign Tool"
+	$(Q)$(LD) -o $@ $@.o $(OBJS_VIRT) $(LDFLAGS)
+
 pcr_extend: $(OBJS_VIRT) $(WOLFTPMDIR)/examples/pcr/extend.o
 	@echo "Building PCR Extend Tool"
 	$(Q)$(LD) -o $@ $(WOLFTPMDIR)/examples/pcr/extend.o $(OBJS_VIRT) $(LDFLAGS)