SecurityPkg: Fix typos in comments

This patch fixes the following typos:
- intialized -> initialized
- TURE -> TRUE
- successull -> successfully
- hanlder -> handler
- funciton -> function
- Seperator -> Separator
- Sumbit -> Submit
Also convert EFI_D_ERROR to DEBUG_ERROR for some debug messages.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

SecurityPkg/Library/TcgStorageCoreLib/TcgStorageUtil.c

@@ -881,7 +881,7 @@ TcgIsProtocolSupported(
 
   @param     Discovery
 
-  @retval    TURE if lock, FALSE if not lock.
+  @retval    TRUE if lock, FALSE if not lock.
 **/
 BOOLEAN
 EFIAPI