Prefix all size_t with std::

done automatically by executing regex replace `([^:0-9a-zA-Z_])size_t([^0-9a-zA-Z_])` -> `$1std::size_t$2`

src/core/hw/lcd.h

@@ -37,7 +37,7 @@ struct Regs {
     u32 backlight_bottom;
     INSERT_PADDING_WORDS(0x16F);
 
-    static constexpr size_t NumIds() {
+    static constexpr std::size_t NumIds() {
         return sizeof(Regs) / sizeof(u32);
     }