[AIX] Disable unsupported offloading gpu tests

[Jake-Egan]

Summary

GPUs are not supported on AIX, so this patch sets these tests as unsupported.

[stevewan]

LGTM. Thanks.

clang/test/Driver/clang-offload-bundler-asserts-on.c

 // REQUIRES: x86-registered-target
 // REQUIRES: asserts
-// UNSUPPORTED: darwin
+// UNSUPPORTED: darwin, aix
 
 // Generate the file we can bundle.
 // RUN: %clang -O0 -target %itanium_abi_triple %s -c -o %t.o
 
 //
 // Generate a couple of files to bundle with.
 //
 // RUN: echo 'Content of device file 1' > %t.tgt1

clang/test/Driver/clang-offload-bundler.c

 // REQUIRES: x86-registered-target
 // REQUIRES: powerpc-registered-target
-// UNSUPPORTED: darwin
+// UNSUPPORTED: darwin, aix
 
 //
 // Generate all the types of files we can bundle.
 //
 // RUN: %clang -O0 -target %itanium_abi_triple %s -E -o %t.i
 // RUN: %clangxx -O0 -target %itanium_abi_triple -x c++ %s -E -o %t.ii
 // RUN: %clang -O0 -target %itanium_abi_triple %s -S -emit-llvm -o %t.ll
 // RUN: %clang -O0 -target %itanium_abi_triple %s -c -emit-llvm -o %t.bc

clang/test/Driver/openmp-offload-gpu.c

 ///
 /// Perform several driver tests for OpenMP offloading
 ///
 
 // REQUIRES: clang-driver
 // REQUIRES: x86-registered-target
 // REQUIRES: powerpc-registered-target
 // REQUIRES: nvptx-registered-target
 // REQUIRES: amdgpu-registered-target
 
+// UNSUPPORTED: aix
+
 /// ###########################################################################
 
 /// Check -Xopenmp-target uses one of the archs provided when several archs are used.
 // RUN:   %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda \
 // RUN:          -Xopenmp-target -march=sm_35 -Xopenmp-target -march=sm_60 %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET-ARCHS %s
 
 // CHK-FOPENMP-TARGET-ARCHS: ptxas{{.*}}" "--gpu-name" "sm_60"