mmc: core: use defined R1_STATE_PRG macro for card status

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 89bdeae..91a0a74 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1502,7 +1502,7 @@
 			goto out;
 		}
 	} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
-		 R1_CURRENT_STATE(cmd.resp[0]) == 7);
+		 R1_CURRENT_STATE(cmd.resp[0]) == R1_STATE_PRG);
 out:
 	return err;
 }