openssl: disable SSLv3 by default

Because of the SSLv3 POODLE vulnerability, it's preferred to simply disable
SSLv3 even if patched with the TLS_FALLBACK_SCSV

(From OE-Core rev: 4e691d06ffdb4d1fd940996f419308fe53454df7)

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/openssl/openssl.inc

@@ -50,6 +50,10 @@ CONFFILES_openssl-conf = "${libdir}/ssl/openssl.cnf"
 RRECOMMENDS_libcrypto += "openssl-conf"
 RDEPENDS_${PN}-ptest += "${PN}-misc make perl perl-module-filehandle bc"
 
+# Remove this to enable SSLv3. SSLv3 is defaulted to disabled due to the POODLE
+# vulnerability
+EXTRA_OECONF = " -no-ssl3"
+
 do_configure_prepend_darwin () {
 	sed -i -e '/version-script=openssl\.ld/d' Configure
 }