If CLKH is set to 0 I2C clock is not generated at all, so avoid this value
and stretch the clock in this case.
Signed-off-by: NAlexander Sverdlin <alexander.sverdlin@nokia.com>
Acked-by: NSekhar Nori <nsekhar@ti.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>