MTD: kernel-doc fixes + additions

Fix some kernel-doc typos/spellos.
Use kernel-doc syntax in places where it was almost used.
Correct/add struct, struct field, and function param names where needed.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 31329fc..1da3f7f 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -133,7 +133,7 @@
 };
 
 /**
- * struct mtd_ecc_stats - error correction status
+ * struct mtd_ecc_stats - error correction stats
  *
  * @corrected:	number of corrected bits
  * @failed:	number of uncorrectable errors