[MMC] Response to write commands is R1 nor R1b

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 9b62985..d91fcf7 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -203,7 +203,6 @@
 			brq.data.flags |= MMC_DATA_READ;
 		} else {
 			brq.cmd.opcode = MMC_WRITE_BLOCK;
-			brq.cmd.flags = MMC_RSP_R1B;
 			brq.data.flags |= MMC_DATA_WRITE;
 			brq.data.blocks = 1;
 		}