Add a certificate exercising all supported SAN types

This will be used for comparison in unit tests.
Add a possibility to write certificates with SAN
in cert_write.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index 2bc17fb..fd68336 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -1198,6 +1198,8 @@
 
 server1.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
 	$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
+server1.allSubjectAltNames.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)	
+	$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@ san=URI:http://pki.example.com\;IP:1.2.3.4\;DN:C=UK,O="Mbed TLS",CN="SubjectAltName test"\;DNS:example.com\;RFC822:mail@example.com
 server1.long_serial.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
 	echo "112233445566778899aabbccddeeff0011223344" > test-ca.server1.tmp.serial
 	$(OPENSSL) ca -in server1.req.sha256 -key PolarSSLTest -config test-ca.server1.test_serial.opensslconf -notext -batch -out $@
diff --git a/tests/data_files/server1.allSubjectAltNames.crt b/tests/data_files/server1.allSubjectAltNames.crt
new file mode 100644
index 0000000..13af873
--- /dev/null
+++ b/tests/data_files/server1.allSubjectAltNames.crt
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----