Add example program for PSA hash

This commit adds the example program for PSA
hash as well as the relevant changes to
CMakeLists.txt and the Makefile.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/programs/Makefile b/programs/Makefile
index 3509fc3..0bd1b92 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -109,6 +109,7 @@
 	psa/hmac_demo \
 	psa/key_ladder_demo \
 	psa/psa_constant_names \
+	psa/psa_hash \
 	random/gen_entropy \
 	random/gen_random_ctr_drbg \
 	ssl/dtls_client \
@@ -316,6 +317,10 @@
 	echo "  CC    psa/psa_constant_names.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) psa/psa_constant_names.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
+psa/psa_hash$(EXEXT): psa/psa_hash.c $(DEP)
+	echo "  CC    psa/psa_hash.c"
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) psa/psa_hash.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+
 random/gen_entropy$(EXEXT): random/gen_entropy.c $(DEP)
 	echo "  CC    random/gen_entropy.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) random/gen_entropy.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@