Reset controller fixes for v4.17

Fix the USB3 reset (offset 0x200c, bit 5) on Uniphier LD20. It was
incorrectly labeled as GIO reset. This reset line is not yet used in
uniphier-ld20.dtsi.
-----BEGIN PGP SIGNATURE-----

iI0EABYIADUWIQRRO6F6WdpH1R0vGibVhaclGDdiwAUCWvmr9RcccC56YWJlbEBw
ZW5ndXRyb25peC5kZQAKCRDVhaclGDdiwJlYAP4008mrJKjGTLMy/GZOwMIpmdm3
7qYxoD3rsgyby0Cn+QEAhyfrNAXHmcAwXxuprPGB1Z2rAmN23KqnpoqiVxhn6AQ=
=4LaA
-----END PGP SIGNATURE-----