qcacmn: init_deinit: Fix misspelling of 'their'

Address the following issue in the init_deinit folder:
CHECK: 'thier' may be misspelled - perhaps 'their'?

Change-Id: I1208f8cf7756c702c3d6cc6d0972fad75ea12c24
CRs-Fixed: 2241578

init_deinit/dispatcher/src/dispatcher_init_deinit.c

@@ -88,7 +88,7 @@
 
 /* All new components needs to replace their dummy init/deinit
  * psoc_open, psco_close, psoc_enable and psoc_disable APIs once
- * thier actual handlers are ready
+ * their actual handlers are ready
  */
 
 spectral_pdev_open_handler dispatcher_spectral_pdev_open_handler_cb;