Update PULL_REQUEST_TEMPLATE.md

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,7 +2,7 @@ Please use the "Preview" tab above to view this message if you are seeing this i
 
 Please make sure that:
 
- - pull request is opened to the `development` branch
+ - pull request is opened to the `master` branch unless you are working on a specfic feature which is developed in a separate branch
  - any changes to kernel configuration files were made by Kconfig menu (build script option `KERNEL_CONFIGURE=yes`) and not by editing configuration files by hand,
  - patch file names don't contain spaces and have less than 40 characters (not counting the `.patch` extension),
  - changes are properly described - what was done exactly and why.