SDHI1 on AP4EVB has no pin to detect write protection of a card.
This had the result that a card inserted in this slot was always detected
as read only. This patch adds the corresponding flag to disable
write protection detection for SDHI1.
Signed-off-by: NArnd Hannemann <arnd@arndnet.de>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>