support arch 8.6 for 3080

Author: orignal

Makefile.am

@@ -119,6 +119,7 @@ endif
 ccminer_LDADD += -lcuda
 
 nvcc_ARCH :=
+#nvcc_ARCH += -gencode=arch=compute_86,code=\"sm_86,compute_86\" # CUDA 11.1 
 #nvcc_ARCH += -gencode=arch=compute_75,code=\"sm_75,compute_75\" # CUDA 10 req.
 #nvcc_ARCH += -gencode=arch=compute_70,code=\"sm_70,compute_70\" # CUDA 9.1
 #nvcc_ARCH += -gencode=arch=compute_61,code=\"sm_61,compute_61\" # CUDA 8