hipLDFLAG Path change Unix to multisystem in Makefile

changed the hardcoded linux distro hipblas LD path from -L/opt/rocm/lib to use the defined ROCM_PATH variable to be flexible with ROCm on non-Linux OS

Makefile

@@ -290,7 +290,7 @@ ifdef LLAMA_HIPBLAS
 	LLAMA_CUDA_KQUANTS_ITER ?= 2
 	CFLAGS     += -DGGML_USE_HIPBLAS -DGGML_USE_CUBLAS $(shell $(ROCM_PATH)/bin/hipconfig -C)
 	CXXFLAGS   += -DGGML_USE_HIPBLAS -DGGML_USE_CUBLAS $(shell $(ROCM_PATH)/bin/hipconfig -C)
-	LDFLAGS    += -L/opt/rocm/lib -Wl,-rpath=$(ROCM_PATH)/lib -lhipblas -lamdhip64 -lrocblas
+	LDFLAGS    += -L$(ROCM_PATH)/lib -Wl,-rpath=$(ROCM_PATH)/lib -lhipblas -lamdhip64 -lrocblas
 	OBJS       += ggml-cuda.o
 ggml-cuda.o: CXXFLAGS += $(addprefix --offload-arch=,$(GPU_TARGETS))
 ggml-cuda.o: CXXFLAGS += -DGGML_CUDA_DMMV_X=$(LLAMA_CUDA_DMMV_X)