b5a50ec9cf
Removed cmake target files under packaging directory.
Merged cmake config .in files for HIP-Clang and HCC as one.
Use cmake generated target files in both install and packaging.
This makes cmake config file consistent for make install and
make package.
Change-Id: Iae1f8ccb5b39c29f54297edf1c5df62eb5a0253d
[ROCm/hip commit: 9ead991784]