[Clang][Driver][HIP] Do not specify explicit target cpu in host compilation run line (llvm#126488)

This PR fixes the post merge check fails from PR
llvm#125646

Co-authored-by: anikelal <[email protected]>

Author: lalaniket8

clang/test/Driver/dep-file-flag-with-multiple-offload-archs.hip

@@ -8,6 +8,6 @@
 // CHECK-NOT: {{.*}}clang{{.*}}"-target-cpu" "gfx1101"{{.*}}"-dependency-file" "tmp.d"
 // CHECK: {{.*}}lld{{.*}}"-plugin-opt=mcpu=gfx1101"
 // CHECK: {{.*}}clang-offload-bundler
-// CHECK: {{.*}}clang{{.*}}"-target-cpu" "x86-64"{{.*}}"-dependency-file" "tmp.d"
+// CHECK: {{.*}}clang{{.*}}"-target-cpu"{{.*}}"-dependency-file" "tmp.d"
 
 void main(){}