mtd: kill old field for `struct mtd_info_user'

The ecctype and eccsize fields have been obsolete for a while. Since they
don't have any users, we can kill them and leave padding in their place
for now.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 7dee970..1a7e1d2 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -129,10 +129,7 @@
 	__u32 erasesize;
 	__u32 writesize;
 	__u32 oobsize;	/* Amount of OOB data per block (e.g. 16) */
-	/* The below two fields are obsolete and broken, do not use them
-	 * (TODO: remove at some point) */
-	__u32 ecctype;
-	__u32 eccsize;
+	__u64 padding;	/* Old obsolete field; do not use */
 };
 
 struct region_info_user {