FS: add missing MediaType

src/core/hle/service/fs/archive.h

@@ -37,7 +37,7 @@ enum class ArchiveIdCode : u32 {
 };
 
 /// Media types for the archives
-enum class MediaType : u32 { NAND = 0, SDMC = 1 };
+enum class MediaType : u32 { NAND = 0, SDMC = 1, GameCard = 2 };
 
 typedef u64 ArchiveHandle;