mmc: mmc: fix switch timeout issue caused by jiffies precision

with CONFIG_HZ=100, the precision of jiffies is 10ms, and the
generic_cmd6_time of some card is also 10ms. then, may be current
time is only 5ms, but already timed out caused by jiffies precision.

Signed-off-by: Chaotian Jing <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
(cherry picked from commit 8bcce64faaaf07165453e6600ae9ffb887e79b1a)
Signed-off-by: Haibo Chen <[email protected]>
(cherry picked from commit 38f639884a2cfd65cbe29ac2fbfe4ab3fcb1f1af)

Author: ChaotianJing

drivers/mmc/core/mmc_ops.c

@@ -549,7 +549,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
 		timeout_ms = MMC_OPS_TIMEOUT_MS;
 
 	/* Must check status to be sure of no errors. */
-	timeout = jiffies + msecs_to_jiffies(timeout_ms);
+	timeout = jiffies + msecs_to_jiffies(timeout_ms) + 1;
 	do {
 		if (send_status) {
 			/*