Currently 'reset' only works with the test device tree. When run without a
device tree, or with the normal device tree, the following error is
Reset not supported on this platform
Fix the driver and the standard device tree to avoid this.
Signed-off-by: Simon Glass <firstname.lastname@example.org>
Reported-by: Stephen Warren <email@example.com>
Tested-by: Stephen Warren <firstname.lastname@example.org>