[Linux] Fix cross-architecture component build configuration for ARM32-target (#8687)

[Linux] Fix cross-architecture component build configuration for ARM32-target (#8687)

* fix CMakeLists.txt for palrt

* Modify CMakeLists.txt for cross-architecture component configuaration

Add coreclrpal project to fix a dependency issue when CMake configuration

* Allow only x64-host/arm-target for linux

allow x64-host/arm-target only, because pal is not stable for x86 now

* Update build.sh

delete NumProc=1 (inserted for debugging)

* Change x64-host to x86-host for arm-target

JIT correctness problem,
and fix CMake configuration for x86 in pal

* Fix type

* Update CMakeLists.txt

* fix style

* Set x86 when arm-target/x64-host

* fix typo