Tegra I2C driver enables the fast clock during initialization
and does not disable till driver removed.
Enable this clock before transfer and disable after transfer done.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: NWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: NStephen Warren <swarren@nvidia.com>