ports: Move MICROPY_INTERNAL_WFE definition to mphalport.h.

It belongs here because the default value is defined in py/mphal.h.

Signed-off-by: Damien George <damien@micropython.org>

ports/rp2/mphalport.h

@@ -48,6 +48,19 @@
 #define MICROPY_PY_LWIP_REENTER lwip_lock_acquire();
 #define MICROPY_PY_LWIP_EXIT    lwip_lock_release();
 
+// Port level Wait-for-Event macro
+//
+// Do not use this macro directly, include py/runtime.h and
+// call mp_event_wait_indefinite() or mp_event_wait_ms(timeout)
+#define MICROPY_INTERNAL_WFE(TIMEOUT_MS) \
+    do {                                 \
+        if ((TIMEOUT_MS) < 0) { \
+            __wfe(); \
+        } else { \
+            best_effort_wfe_or_timeout(make_timeout_time_ms(TIMEOUT_MS)); \
+        } \
+    } while (0)
+
 extern int mp_interrupt_char;
 extern ringbuf_t stdin_ringbuf;