The power-shell scripts don't need to be executable (MS-Win doesn't
care and we don't run them on Unix).
The shbang line in a shell script only works if it's at the start of
the file, not after a blank line.
Change-Id: I12a927f414621187f867864617276528a59652e5
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
Provision emsdk and its dependecies to windows and macos.
Task-number: QTBUG-63917
Task-number: QTQAINFRA-2835
Done-with: Juha Karjalainen <juha.karjalainen@qt.io>
Change-Id: I24ea9cbc4f7cc95e6952765099d5e46247470011
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
