tmio_mmc: Remove const from platform data V3

Remove const from the tmio-mmc platform data hclk V3.
This change makes it possible to remove the type cast
from the sh_mobile_sdhi driver which is using the clock
framework to get the clock rate.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

include/linux/mfd/tmio.h

@@ -59,7 +59,7 @@ void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
  * data for the MMC controller
  */
 struct tmio_mmc_data {
-	const unsigned int		hclk;
+	unsigned int			hclk;
 	unsigned long			capabilities;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);