tools: imx8image: Add missing break for CMD_DCD_SKIP

The CMD_DCD_SKIP case misses a break statement.

Add it.

Fixes: 254c00803b63 ("tools: imx8image: add possibility to skip dcd")
Addresses-Coverity-ID: 514648: Control flow issues (MISSING_BREAK)
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/tools/imx8image.c b/tools/imx8image.c
index 96ece28..7a06081 100644
--- a/tools/imx8image.c
+++ b/tools/imx8image.c
@@ -93,6 +93,7 @@
 	case CMD_DCD_SKIP:
 		if (!strncmp("true", token, 4))
 			dcd_skip = true;
+		break;
 	case CMD_FUSE_VERSION:
 		fuse_version = (uint8_t)(strtoll(token, NULL, 0) & 0xFF);
 		break;