mmc: sh_sdhi: Set SD_INFOx interrupt mask before command starting

mmc: sh_sdhi: Set SD_INFOx interrupt mask before command starting

When setting interrupt mask after command starting, an unintended
interrupt status sometimes occurs.

Signed-off-by: Kouei Abe <[email protected]>
Signed-off-by: Hiroyuki Yokoyama <[email protected]>
Cc: Hiroyuki Yokoyama <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Reviewed-by: Nobuhiro Iwamatsu <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]>