Fix typos and some incorrect comments

Author: Alan Carvalho de Assis <acassis@gmail.com>

    Run nxstyle against .c and .h files and fix it

Author: Juha Niskanen <juha.niskanen@haltian.com>

    Fix typos and some incorrect comments

fs/hostfs/hostfs.c

@@ -929,7 +929,7 @@ static int hostfs_bind(FAR struct inode *blkdriver, FAR const void *data,
       return -ENOMEM;
     }
 
-  /* The options we suppor are:
+  /* The options we support are:
    *  "fs=whatever", remote dir
    */
 

fs/vfs/fs_write.c

@@ -67,7 +67,7 @@
  *   Equivalent to the standard write() function except that is accepts a
  *   struct file instance instead of a file descriptor.  It is functionally
  *   equivalent to write() except that in addition to the differences in
- *   input paramters:
+ *   input parameters:
  *
  *  - It does not modify the errno variable,
  *  - It is not a cancellation point, and