commit a6a3dd1a upstream.

This was accidentally disabled by commit 2a5fdc9a "ARM: dt: tegra:
invert status=disable vs status=okay".
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>