fs: fix inode.c kernel-doc warnings

Fix kernel-doc warnings in fs/inode.c:

Warning(fs/inode.c:1493): No description found for parameter 'path'
Warning(fs/inode.c:1493): Excess function parameter 'mnt' description in 'touch_atime'
Warning(fs/inode.c:1493): Excess function parameter 'dentry' description in 'touch_atime'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/inode.c b/fs/inode.c
index 6bc8761..183ddd6 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1489,8 +1489,7 @@
 
 /**
  *	touch_atime	-	update the access time
- *	@mnt: mount the inode is accessed on
- *	@dentry: dentry accessed
+ *	@path: the &struct path to update
  *
  *	Update the accessed time on an inode and mark it for writeback.
  *	This function automatically handles read only file systems and media,