intl: add canonical label rows for the HDR toggle settings

The tokens dispatch by enum, so no label strings ever existed; the
canonical names follow the configuration keys so the config rows
can be consolidated by the single-source grammar.

Author: libretroadmin

intl/msg_hash_lbl.h

@@ -5210,4 +5210,12 @@ MSG_HASH(
    MENU_ENUM_LABEL_SMB_CLIENT_BROWSE,
    MENU_ENUM_LABEL_SMB_CLIENT_BROWSE_STR
    )
+MSG_HASH(
+   MENU_ENUM_LABEL_VIDEO_HDR_SCANLINES,
+   MENU_ENUM_LABEL_VIDEO_HDR_SCANLINES_STR
+   )
+MSG_HASH(
+   MENU_ENUM_LABEL_VIDEO_HDR_SUBPIXEL_LAYOUT,
+   MENU_ENUM_LABEL_VIDEO_HDR_SUBPIXEL_LAYOUT_STR
+   )
 #endif

msg_hash_lbl_str.h

@@ -1312,3 +1312,5 @@
 #define MENU_ENUM_LABEL_SMB_CLIENT_BROWSE_STR "smb_client_browse"
 
 #endif /* MSG_HASH_LBL_STR_H__ */
+#define MENU_ENUM_LABEL_VIDEO_HDR_SCANLINES_STR "video_hdr_scanlines"
+#define MENU_ENUM_LABEL_VIDEO_HDR_SUBPIXEL_LAYOUT_STR "video_hdr_subpixel_layout"