spl: add support for new spl:es command 33

libraries/libstratosphere/include/stratosphere/spl/impl/spl_api_impl.hpp

@@ -70,6 +70,7 @@ namespace ams::spl::impl {
     Result ModularExponentiateWithDrmDeviceCertKey(void *out, size_t out_size, const void *base, size_t base_size, const void *mod, size_t mod_size);
     Result PrepareEsArchiveKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation);
     Result LoadPreparedAesKey(s32 keyslot, const AccessKey &access_key);
+    Result PrepareEsUnknown2Key(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation);
 
     /* FS */
     Result DecryptAndStoreGcKey(const void *src, size_t src_size, const AccessKey &access_key, const KeySource &key_source, u32 option);