mmc: block: blk-mq: fix boolreturn.cocci warnings

drivers/mmc/core/block.c:2106:9-10: WARNING: return of 0/1 in function 'mmc_blk_status_error' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci

Fixes:7eb43d53 ("mmc: block: blk-mq: Stop using legacy recovery")
CC: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/block.c

@@ -2103,7 +2103,7 @@ static bool mmc_blk_status_error(struct request *req, u32 status)
 	u32 stop_err_bits;
 
 	if (mmc_host_is_spi(mq->card->host))
-		return 0;
+		return false;
 
 	stop_err_bits = mmc_blk_stop_err_bits(brq);