Disable CRC check

Author: ctfrommn

drivers/mmc/core/core.c

@@ -73,7 +73,7 @@ static const unsigned freqs[] = { 400000, 300000, 200000, 100000 };
  * performance cost, and for other reasons may not always be desired.
  * So we allow it it to be disabled.
  */
-bool use_spi_crc = 1;
+bool use_spi_crc = 0;
 module_param(use_spi_crc, bool, 0);
 
 static int mmc_schedule_delayed_work(struct delayed_work *work,