wlan: Fix misspellings of "display" and "channel"

There should not be any misspellings or grammar errors in customer
visible strings or Open Source code.  Fix misspellings of "display" and
"channel" observed in code, comments, and user-visible strings.

Change-Id: Ibc2116ae2f5affc723f924865c52cb0f857cf4fb
CR-Fixed: 429978
diff --git a/CORE/WDI/CP/inc/wlan_qct_wdi.h b/CORE/WDI/CP/inc/wlan_qct_wdi.h
index 5b248ff..db2345c 100644
--- a/CORE/WDI/CP/inc/wlan_qct_wdi.h
+++ b/CORE/WDI/CP/inc/wlan_qct_wdi.h
@@ -9067,7 +9067,7 @@
     User may request to display DXE channel snapshot
     Or if host driver detects any abnormal stcuk may display
 
- @param  displaySnapshot : Dispaly DXE snapshot option
+ @param  displaySnapshot : Display DXE snapshot option
  @param  enableStallDetect : Enable stall detect feature
                         This feature will take effect to data performance
                         Not integrate till fully verification