ams: resolve source dir inconsistency

libraries/libstratosphere/source/pinmux/driver/pinmux_select_board_impl.hpp

@@ -18,7 +18,7 @@
 
 #if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
 
-    #include "board/nintendo_nx/pinmux_board_driver_api.hpp"
+    #include "board/nintendo/nx/pinmux_board_driver_api.hpp"
     namespace ams::pinmux::driver::board {
         using namespace ams::pinmux::driver::board::nintendo_nx;
     }