Make wget prefer openssl

When developers use wget, ideally they wouldn't need to pull in the
binary size of gnutls as well.  wget has packageconfig options for this,
so add those to the distro preferences.

Tested:
Built with wget and "wget --version" includes "+ssl/openssl" in the
response.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I797895a3e0adb498c89d101b962fc81bdd9a4966
diff --git a/meta-phosphor/recipes-extended/wget/wget_%.bbappend b/meta-phosphor/recipes-extended/wget/wget_%.bbappend
new file mode 100644
index 0000000..05096ef
--- /dev/null
+++ b/meta-phosphor/recipes-extended/wget/wget_%.bbappend
@@ -0,0 +1,2 @@
+PACKAGECONFIG:remove:openbmc-phosphor = "gnutls"
+PACKAGECONFIG:append:openbmc-phosphor = " openssl"