mmc: remove unused "ddr" parameter in struct mmc_ios

"mmc: dw_mmc: Fix DDR mode support" removed the last user.

Signed-off-by: Jaehoon Chung <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Signed-off-by: Chris Ball <[email protected]>

Author: jh80chung

include/linux/mmc/host.h

@@ -56,8 +56,6 @@ struct mmc_ios {
 #define MMC_TIMING_UHS_SDR104	4
 #define MMC_TIMING_UHS_DDR50	5
 
-	unsigned char	ddr;			/* dual data rate used */
-
 #define MMC_SDR_MODE		0
 #define MMC_1_2V_DDR_MODE	1
 #define MMC_1_8V_DDR_MODE	2