ggml-cuda: Fix HIP build by adding define for __trap (#4569)

Regression of 139882392258671ffe5acdfcadc0bc08572d6eef
HIP doesn't have trap, only abort

ggml-cuda.cu

@@ -80,6 +80,7 @@
 #define cudaStreamWaitEvent(stream, event, flags) hipStreamWaitEvent(stream, event, flags)
 #define cudaStream_t hipStream_t
 #define cudaSuccess hipSuccess
+#define __trap abort
 #else
 #include <cuda_runtime.h>
 #include <cublas_v2.h>