fea0eaa9f0
Modify hip-config.cmake to support building on Windows
using CMake's find_package(hip). Windows CMake will work
with Ninja Generator and inheritEnvironments clang_cl_x64.
Change-Id: I03d76b5f8d695ce50ecaacb449e4eb1c1ca49700
[ROCm/hip commit: d88c50439a]