sunxi: mmc: Use a realistic timeout when sending a mmc command

Wait 1 second for the sdcard to respond, rather then waiting for
0xfffff milliseconds.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index 6234981..1d484b8 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -355,7 +355,7 @@
 		}
 	}
 
-	error = mmc_rint_wait(mmc, 0xfffff, SUNXI_MMC_RINT_COMMAND_DONE, "cmd");
+	error = mmc_rint_wait(mmc, 1000, SUNXI_MMC_RINT_COMMAND_DONE, "cmd");
 	if (error)
 		goto out;