qcacmn: qdf: Fix misspellings

Address the following issues in the qdf folder:
CHECK: 'arguement' may be misspelled - perhaps 'argument'?
CHECK: 'Arguement' may be misspelled - perhaps 'Argument'?
CHECK: 'continous' may be misspelled - perhaps 'continuous'?
- (actually 'contiguous')
CHECK: 'implentation' may be misspelled - perhaps 'implementation'?
CHECK: 'Initilize' may be misspelled - perhaps 'Initialize'?
CHECK: 'occurance' may be misspelled - perhaps 'occurrence'?
CHECK: 'untill' may be misspelled - perhaps 'until'?

Change-Id: I4ea13e1a6b1490082830ed67098ff174a162114b
CRs-Fixed: 2241580

qdf/inc/qdf_timer.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2016, 2018 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -35,7 +35,7 @@ typedef __qdf_timer_t qdf_timer_t;
  * @hdl: OS handle
  * @timer: Timer object pointer
  * @func: Timer function
- * @arg: Arguement of timer function
+ * @arg: Argument of timer function
  * @type: deferrable or non deferrable timer type
  *
  * Timer type QDF_TIMER_TYPE_SW means its a deferrable sw timer which will