[QNNPACK] Export cpuinfo-targets in clog CMakeLists (#84876)
Summary:
Fixes the following error when building qnnpack:
```
CMake Error: install(EXPORT "cpuinfo-targets" ...) includes target "cpuinfo" which requires target "clog" that is not in any export set.
```
This diff mirrors the changes to the CMakeLists of
https://github.com/pytorch/cpuinfo/pull/69
Test Plan:
# Build Qnnpack
```
export ANDROID_NDK=/opt/android_ndk/r20
export ANDROID_NDK_HOME=${ANDROID_NDK}
export ANDROID_SDK=/opt/android_sdk
export ANDROID_HOME=${ANDROID_SDK}
cd ~/fbsource/fbcode/caffe2/aten/src/ATen/native/quantized/cpu/qnnpack
./scripts/build-android-arm64.sh
```
Succeeds
Differential Revision: D39438768
Pull Request resolved: https://github.com/pytorch/pytorch/pull/84876
Approved by: https://github.com/digantdesai
