fix clang-tidy warnings for hip

[haghilin]

Fixed some clang-tidy warnings for HIP

Problem solved by the commit Fixed some clang-tidy warnings for HIP

Bug / issue (if any) fixed, which PR introduced the bug, how it was discovered NA

How problem was solved, alternative solutions (if any) and why they were rejected NA

Risks (if any) associated the changes in the commit None. Code will only be built with switch "-hip".

What has been tested and how, request additional testing if necessary

Documentation impact (if any) None.