TT#111254 Fix typo in docs + patch usage information (cusomtt->customtt)

Change-Id: Iad9081d9e3bd257fc7617ad2982aa98203ba5e29

docs/ngcpcfg.txt

@@ -457,7 +457,7 @@ it will report a warning and exit.
 
 Prints the log of local changes. Expand all changes if '-p' option is specified.
 
-  **patch** [--help | --from-customtt [<cusomtt file(s)>] | <patchtt file(s)>]::
+  **patch** [--help | --from-customtt [<customtt file(s)>] | <patchtt file(s)>]::
 
 Generate customtt files using default templates and patchtt files.
 Using patchtt files automates template updating and simplifies customtt management.

scripts/patch

@@ -28,7 +28,7 @@ patch_help() {
   log_info "The option '--from-customtt' simplifies migration from customtt to patchtt."
   log_info ""
   log_info "Sample:"
-  log_info "  ngcpcfg patch [--help | --from-customtt [<cusomtt file(s)>] | <patchtt file(s)>]"
+  log_info "  ngcpcfg patch [--help | --from-customtt [<customtt file(s)>] | <patchtt file(s)>]"
   log_info ""
   log_info "Run 'man ngcpcfg' for more information."
 }