mtd: onenand: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a break statement instead of letting the code fall through to the next case.

---
 drivers/mtd/nand/onenand/onenand_samsung.c | 1 +
 1 file changed, 1 insertion(+)

index 87b28e397d67..b64895573515 100644
@@ -396,6 +396,7 @@ static int s3c_onenand_command(struct mtd_info *mtd, int cmd, loff_t addr,
 	case ONENAND_CMD_READOOB:
 	case ONENAND_CMD_BUFFERRAM:
 		ONENAND_SET_NEXT_BUFFERRAM(this);
+		break;
 	default:
 		break;
 	}

2.27.0

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel