package/php: requires DES support in openssl

Enable DES in openssl to fix build failure raised since commit
a83d41867c8d69a77d5cd0a665aa216af5340359

Fixes:
 - http://autobuild.buildroot.org/results/c10800fde50b123809557ed50e0a86acb59404a4

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/php/Config.ext

@@ -92,6 +92,7 @@ config BR2_PACKAGE_PHP_EXT_MCRYPT
 config BR2_PACKAGE_PHP_EXT_OPENSSL
 	bool "openssl"
 	select BR2_PACKAGE_OPENSSL
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_DES if BR2_PACKAGE_LIBOPENSSL
 	select BR2_PACKAGE_LIBOPENSSL_ENABLE_MD4 if BR2_PACKAGE_LIBOPENSSL
 	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RC4 if BR2_PACKAGE_LIBOPENSSL
 	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RMD160 if BR2_PACKAGE_LIBOPENSSL