Reset controller fixes for v5.14

Hide the Sparx5 reset driver unless the ARCH_SPARX5 or COMPILE_TEST
options are enabled, to avoid unnecessarily asking users about this
driver. Fix a return value argument type in the ZynqMP reset driver.
-----BEGIN PGP SIGNATURE-----

iI0EABYIADUWIQRRO6F6WdpH1R0vGibVhaclGDdiwAUCYSOw9RcccC56YWJlbEBw
ZW5ndXRyb25peC5kZQAKCRDVhaclGDdiwEt+AP91GaQM9edQIhkuWB0ni8MlWA5s
dGH69X1Yx6WfZysYgQEA/p/f+oFmDOGNekLJS57H9o2Z67WLyAM+7oQelEDKmgQ=
=vxOt
-----END PGP SIGNATURE-----