PR #18296: [Rocm] fix arch

Imported from GitHub PR #18296

Copybara import of the project:

--
d7396f0 by Ruturaj4 <ruturaj.vaidya@amd.com>:

[Rocm] fix arch

Merging this change closes #18296

COPYBARA_INTEGRATE_REVIEW=#18296 from ROCm:ci_arch_fix d7396f0
PiperOrigin-RevId: 688071318

third_party/tsl/third_party/gpus/rocm_configure.bzl

@@ -572,7 +572,7 @@ def _tf_sysroot(repository_ctx):
     return get_host_environ(repository_ctx, _TF_SYSROOT, "")
 
 def _compute_rocm_extra_copts(repository_ctx, amdgpu_targets):
-    amdgpu_target_flags = ["--amdgpu-target=" +
+    amdgpu_target_flags = ["--offload-arch=" +
                            amdgpu_target for amdgpu_target in amdgpu_targets]
     return str(amdgpu_target_flags)