component/openssl: Downgrade openssl to 1.1.0

openssl 1.1.1 has unresloved incompatibilities with python2.7
(https://bugs.python.org/issue32947), where 1.1.0 seems to work
(https://bugs.python.org/issue26470)

Also disable parallel make.

component/openssl/buildout.cfg

@@ -17,8 +17,8 @@ parts =
 [openssl]
 recipe = slapos.recipe.cmmi
 shared = true
-url = https://www.openssl.org/source/openssl-1.1.1.tar.gz
-md5sum = 7079eb017429e0ffb9efb42bf80ccb21
+url = https://www.openssl.org/source/openssl-1.1.0j.tar.gz
+md5sum = b4ca5b78ae6ae79da80790b30dbedbdc
 location = @@LOCATION@@
 # 'prefix' option to override --openssldir/--prefix (which is useful
 # when combined with INSTALL_PREFIX). Used by slapos.package.git/obs
@@ -36,6 +36,7 @@ configure-options =
   && make depend
 make-options =
   SHARED_LDFLAGS='-Wl,-rpath=${:location}/lib -Wl,-rpath=${zlib:location}/lib'
+  -j1
 make-targets =
   install_sw install_ssldirs &&
   rm -f ${:certs}/* &&