Use make macro in the spec file

**Issue Description**
Update spec file to adhere to Fedora Packaging Guidelines [1] and use make macro [2] instead of direct invocations. 

[1] https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
[2] https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro

