sdcard: missed one

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
card: disconnect convert_uboot_to_dtb_board call

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
card: goodbye old non-dt omap_kernel

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
card: goodbye convert_uboot_to_dtb_board unused

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>