[OpenMP][NVPTX] Added __tgt_rtl_launch_kernel in old CUDA plugin

Fix #60248.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D142819

openmp/libomptarget/plugins/cuda/src/rtl.cpp

@@ -1901,6 +1901,21 @@ int32_t __tgt_rtl_init_device_info(int32_t DeviceId,
   return DeviceRTL.initDeviceInfo(DeviceId, DeviceInfoPtr, ErrStr);
 }
 
+int32_t __tgt_rtl_launch_kernel(int32_t DeviceId, void *TgtEntryPtr,
+                                void **TgtArgs, ptrdiff_t *TgtOffsets,
+                                KernelArgsTy *KernelArgs,
+                                __tgt_async_info *AsyncInfo) {
+  assert(DeviceRTL.isValidDeviceId(DeviceId) && "device_id is invalid");
+
+  if (DeviceRTL.setContext(DeviceId) != OFFLOAD_SUCCESS)
+    return OFFLOAD_FAIL;
+
+  return DeviceRTL.runTargetTeamRegion(
+      DeviceId, TgtEntryPtr, TgtArgs, TgtOffsets, KernelArgs->NumArgs,
+      KernelArgs->NumTeams[0], KernelArgs->ThreadLimit[0],
+      KernelArgs->Tripcount, AsyncInfo);
+}
+
 #ifdef __cplusplus
 }
 #endif