mtd: rawnand: fsmc: 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/raw/fsmc_nand.c | 1 +
 1 file changed, 1 insertion(+)

index a24e2f57fa68..bf695255b43a 100644
@@ -930,6 +930,7 @@ static int fsmc_nand_attach_chip(struct nand_chip *nand)
 				 "Using 4-bit SW BCH ECC scheme\n");
 			break;
 		}
+		break;
 
 	case NAND_ECC_ENGINE_TYPE_ON_DIE:
 		break;

2.27.0

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

Miquel