NXP (Freecale) imx HSIC design has some special requirements, add
some flags at host code to handle them.
Reviewed-by: NFrieder Schrempf <frieder.schrempf@kontron.de>
Tested-by: NFrieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: NPeter Chen <peter.chen@nxp.com>