Provided pkgconfig file contains interface description which is arch
dependent. In such cases .pc files should be installed in libdir.
Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
Change-Id: Ibbc85ad4aee1ef014c409dfa63313873b590464b
[ROCm/ROCR-Runtime commit: a226542fc3]
