Use target id of xnack off (#298)

[ROCm/rccl commit: 1fdb216f87]

projects/rccl/CMakeLists.txt

@@ -11,7 +11,7 @@ set(CMAKE_INSTALL_PREFIX "/opt/rocm" CACHE PATH "")
 
 project(rccl CXX)
 
-set(AMDGPU_TARGETS gfx803;gfx900;gfx906;gfx908 CACHE STRING "List of specific machine types for library to target")
+set(AMDGPU_TARGETS gfx803;gfx900;gfx906:xnack-;gfx908:xnack- CACHE STRING "List of specific machine types for library to target")
 
 option(BUILD_TESTS "Build test programs" OFF)
 option(INSTALL_DEPENDENCIES "Force install dependencies" OFF)