util/intelmetool: Remove useless break after a break

Change-Id: Ifb76d8fa09585ad6da9bfb1488a15bf853c4da99
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76475
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

util/intelmetool/intelmetool.c

@@ -467,7 +467,6 @@ int main(int argc, char *argv[])
 		case 'b':
 			cmd_exec = 2;
 			break;
-			break;
 		case 'd':
 			debug = 1;
 			break;