Make it compile with PICO SDK 2.0.0

src/raspikeyer.cpp

@@ -5,6 +5,7 @@
 
 #include "bsp/board.h"
 #include "hardware/adc.h"
+#include "pico/flash.h"
 #include "pico/binary_info/code.h"
 #include "pico/multicore.h"
 #include "pico/stdlib.h"

src/settings.cpp

@@ -1,6 +1,7 @@
 #include <cstring>
 
 #include "pico/stdlib.h"
+#include "pico/flash.h"
 
 #include "settings.h"
 
@@ -66,4 +67,4 @@ Settings read_settings()
     }
 
     return settings;
-}
+}

src/settings.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "pico/flash.h"
+#include "hardware/flash.h"
 
 const uint16_t MAGIC_NUMBER = 4;