livered properly on bus.

Added delay of 2 clock period before resetting the controller in case of
NACK error.

Signed-off-by: Alok Chauhan <alokc@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>

[wsa: Reworded the commit msg and code comment a bit]

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
تد&ٌ“$x