msm: npu: update uapi header file to align with 4.14/4.19 kernel

This change is to update npu driver's uapi header file to align
data structures' definition same as those in 4.14 and 4.19 kernel
which allows the user application to be used on different kernel
version.

Change-Id: I426308c98f058981517aa46fd2475a5a137f548f
Signed-off-by: Jilai Wang <jilaiw@codeaurora.org>