tree: Remove unneeded semicolons after loops

Trivial cleanup

Change-Id: Id93a019a39b765c70b1a4eaeb25d9b582c3e4141
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/42742
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71312
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/usbblaster_spi.c b/usbblaster_spi.c
index 46de86c..58a8a0e 100644
--- a/usbblaster_spi.c
+++ b/usbblaster_spi.c
@@ -160,7 +160,7 @@
 			return -1;
 		}
 		n_read -= payload_size;
-	};
+	}
 
 	n_read = readcnt;
 	while (n_read) {