ports/rp2: Wait a LONG time for PSRAM init...

Signed-off-by: Phil Howard <[email protected]>

Author: Gadgetoid

ports/rp2/main.c

@@ -127,6 +127,7 @@ int main(int argc, char **argv) {
     mp_cstack_init_with_top(&__StackTop, &__StackTop - &__StackBottom);
 
     #if defined(MICROPY_HW_PSRAM_CS_PIN) && MICROPY_HW_ENABLE_PSRAM
+    mp_event_wait_ms(1000);
     size_t psram_size = psram_init(MICROPY_HW_PSRAM_CS_PIN);
     if (psram_size) {
         #if MICROPY_GC_SPLIT_HEAP