crash: fix unsigned div-by-zero crash
The bug was introduced in chromium:1834603
TEST=ensure crash udivzero is triggered
BRANCH=none
@@ -324,7 +324,7 @@ static int command_crash(int argc, char **argv)
volatile int zero = 0;
cflush();
- ccprintf("%08x", 1 / zero);
+ ccprintf("%08x", 1U / zero);
#ifdef CONFIG_CMD_STACKOVERFLOW
} else if (!strcasecmp(argv[1], "stack")) {
stack_overflow_recurse(1);
