Set reserved space back after cherry-pick

Firmware/config.h

@@ -59,7 +59,7 @@
 //#define LANG_MODE              0 // primary language only
 #define LANG_MODE              1 // sec. language support
 
-#define LANG_SIZE_RESERVED     0x3900 // reserved space for secondary language (14592 bytes).
+#define LANG_SIZE_RESERVED     0x3000 // reserved space for secondary language (12288 bytes).
                                       // 0x3D00 Maximum 15616 bytes as it depends on xflash_layout.h
                                       // 16 Languages max. per group including stock