Don't return from reboot (#772)

earlephilhower · web-flow · commit 2b6ab6c19d2d · 2022-08-19T12:21:17.000-07:00
rp2040.reboot() would set a reboot timer for 100ms in the future, but then
return to user code and ran it until the timer expired.  Now infinite loop
until the WDT fires.
diff --git a/cores/rp2040/RP2040Support.h b/cores/rp2040/RP2040Support.h
@@ -314,7 +314,10 @@ class RP2040 {
     }
 
     void reboot() {
-        watchdog_reboot(0, 0, 100);
+        watchdog_reboot(0, 0, 10);
+        while (1) {
+            continue;
+        }
     }
 
     inline void restart() {

Original file line number	Diff line number	Diff line change
`@@ -314,7 +314,10 @@ class RP2040 {`
`314`	`314`	`}`
`315`	`315`
`316`	`316`	`void reboot() {`
`317`		`- watchdog_reboot(0, 0, 100);`
	`317`	`+ watchdog_reboot(0, 0, 10);`
	`318`	`+ while (1) {`
	`319`	`+ continue;`
	`320`	`+ }`
`318`	`321`	`}`
`319`	`322`
`320`	`323`	`inline void restart() {`