oe-setup-builddir: update YP docs and OE URLs

This updates the link to the YP docs
and proposes to access the OE website through https

(From OE-Core rev: 87686233aeffc639c3f412fd5c4898b32b15013b)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/oe-setup-builddir

@@ -113,10 +113,10 @@ if [ ! -z "$SHOWYPDOC" ]; then
     cat <<EOM
 The Yocto Project has extensive documentation about OE including a reference
 manual which can be found at:
-    http://yoctoproject.org/documentation
+    https://docs.yoctoproject.org
 
 For more information about OpenEmbedded see their website:
-    http://www.openembedded.org/
+    https://www.openembedded.org/
 
 EOM
 #    unset SHOWYPDOC