Add libdl linking option (#358)

[ROCm/rccl commit: ad54a14a5c]

projects/rccl/CMakeLists.txt

@@ -227,7 +227,7 @@ if("${HIP_COMPILER}" MATCHES "hcc")
   endif()
 endif()
 
-target_link_libraries(rccl PRIVATE hip::device)
+target_link_libraries(rccl PRIVATE hip::device dl)
 target_link_libraries(rccl INTERFACE hip::host)
 
 #Setup librccl.so version