CPU/CodeCache: Fix incorrect macro for code buffer size

src/core/cpu_code_cache.cpp

@@ -29,7 +29,7 @@ static constexpr u32 RECOMPILE_COUNT_TO_FALL_BACK_TO_INTERPRETER = 20;
 #define USE_STATIC_CODE_BUFFER 1
 #endif
 
-#if defined(AARCH32)
+#if defined(CPU_AARCH32)
 // Use a smaller code buffer size on AArch32 to have a better chance of being in range.
 static constexpr u32 RECOMPILER_CODE_CACHE_SIZE = 16 * 1024 * 1024;
 static constexpr u32 RECOMPILER_FAR_CODE_CACHE_SIZE = 8 * 1024 * 1024;