qcacmn: dp: Fix misspellings

Address the following issues in the dp folder:
CHECK: 'availble' may be misspelled - perhaps 'available'?
CHECK: 'catagory' may be misspelled - perhaps 'category'?
CHECK: 'endianess' may be misspelled - perhaps 'endianness'?
CHECK: 'exceded' may be misspelled - perhaps 'exceeded'?
CHECK: 'explicitely' may be misspelled - perhaps 'explicitly'?
CHECK: 'Inteface' may be misspelled - perhaps 'Interface'?
CHECK: 'lengh' may be misspelled - perhaps 'length'?
CHECK: 'messsages' may be misspelled - perhaps 'messages'?
CHECK: 'miscelleneous' may be misspelled - perhaps 'miscellaneous'?
CHECK: 'Ouput' may be misspelled - perhaps 'Output'?
CHECK: 'poiter' may be misspelled - perhaps 'pointer'?
CHECK: 'Poiter' may be misspelled - perhaps 'Pointer'?
CHECK: 'psuedo' may be misspelled - perhaps 'pseudo'?
CHECK: 'registerd' may be misspelled - perhaps 'registered'?
CHECK: 'requred' may be misspelled - perhaps 'required'?
CHECK: 'retreive' may be misspelled - perhaps 'retrieve'?
CHECK: 'succesfully' may be misspelled - perhaps 'successfully'?
CHECK: 'vaild' may be misspelled - perhaps 'valid'?
CHECK: 'virtaul' may be misspelled - perhaps 'virtual'?

Change-Id: I66b9cdc6115dd133b385e60c9d02cefd1bd0bac3
CRs-Fixed: 2241574

dp/inc/cdp_txrx_cmn.h

@@ -712,7 +712,7 @@ cdp_data_tx_cb_set(ol_txrx_soc_handle soc, struct cdp_vdev *data_vdev,
 }
 
 /******************************************************************************
- * Statistics and Debugging Interface (C Inteface)
+ * Statistics and Debugging Interface (C Interface)
  *****************************************************************************/
 /**
  * External Device physical address types