[libc][NFC] Support sm_89 and sm_90 NVIDIA GPUs

Summary:
These architectures were left out from the list and should be supported.

Author: jhuber6

libc/cmake/modules/LLVMLibCObjectRules.cmake

@@ -109,6 +109,10 @@ function(get_nvptx_compile_options output_var gpu_arch)
     list(APPEND nvptx_options "--cuda-feature=+ptx72")
   elseif(${gpu_arch} STREQUAL "sm_86")
     list(APPEND nvptx_options "--cuda-feature=+ptx72")
+  elseif(${gpu_arch} STREQUAL "sm_89")
+    list(APPEND nvptx_options "--cuda-feature=+ptx72")
+  elseif(${gpu_arch} STREQUAL "sm_90")
+    list(APPEND nvptx_options "--cuda-feature=+ptx72")
   else()
     message(FATAL_ERROR "Unknown Nvidia GPU architecture '${gpu_arch}'")
   endif()

libc/cmake/modules/prepare_libc_gpu_build.cmake

@@ -9,7 +9,7 @@ set(all_amdgpu_architectures "gfx700;gfx701;gfx801;gfx803;gfx900;gfx902;gfx906"
                              "gfx1031;gfx1032;gfx1033;gfx1034;gfx1035;gfx1036"
                              "gfx1100;gfx1101;gfx1102;gfx1103;gfx1150;gfx1151")
 set(all_nvptx_architectures "sm_35;sm_37;sm_50;sm_52;sm_53;sm_60;sm_61;sm_62"
-                            "sm_70;sm_72;sm_75;sm_80;sm_86")
+                            "sm_70;sm_72;sm_75;sm_80;sm_86;sm_89;sm_90")
 set(all_gpu_architectures
     "${all_amdgpu_architectures};${all_nvptx_architectures}")
 set(LIBC_GPU_ARCHITECTURES "all" CACHE STRING