Make linux/input.h compile time optional
Summary:
Instead of hard depending on the include of linux/input.h we check
whether that include file exists and properly ifdef all usages.
Unfortunately there is no replacement for those parts which do mapping
of input event codes.
Reviewers: Plasma on Wayland
Subscribers: plasma-devel
Tags: Plasma on Wayland
Differential Revision: https://phabricator.kde.org/D2344