Show the GPU info in the benchmark output table

[amirsojoodi]

Show the GPU name/description in the column header. Sth like this:

Benchmark	Time (ms) on NVIDIA GeForce GTX 1060 3GB	Intel(R) Xeon(R) W-2150B CPU @ 3.00GHz	NVIDIA GeForce RTX 3090	Error
unary 1d(1, 'neg')	0.013	0.001	0.003
unary 1d(1, 'sigmoid')	0.012	0.001	0.003
unary 1d(729, 'neg')	0.018	0.001	0.003
unary 1d(729, 'sigmoid')	0.010	0.002	0.003
...