refactoring ascend device code

[zoyopei]

What type of PR is this?

/kind feature

What this PR does / why we need it: refactoring ascend device code

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 8.72483% with 136 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pkg/device/ascend/device.go	3.92%	98 Missing :warning:
pkg/device/ascend/vnpu.go	0.00%	9 Missing :warning:
pkg/device/devices.go	20.00%	7 Missing and 1 partial :warning:
pkg/device/cambricon/device.go	0.00%	4 Missing :warning:
pkg/device/iluvatar/device.go	0.00%	4 Missing :warning:
pkg/util/util.go	63.63%	3 Missing and 1 partial :warning:
pkg/device/hygon/device.go	0.00%	3 Missing :warning:
pkg/device/nvidia/device.go	0.00%	3 Missing :warning:
pkg/scheduler/scheduler.go	0.00%	3 Missing :warning:

Flag	Coverage Δ
unittests	26.99% <8.72%> (-0.61%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
pkg/device/hygon/device.go	17.74% <0.00%> (-0.30%)	:arrow_down:
pkg/device/nvidia/device.go	31.46% <0.00%> (-0.36%)	:arrow_down:
pkg/scheduler/scheduler.go	29.24% <0.00%> (ø)
pkg/device/cambricon/device.go	14.28% <0.00%> (-0.18%)	:arrow_down:
pkg/device/iluvatar/device.go	18.42% <0.00%> (-0.33%)	:arrow_down:
pkg/util/util.go	25.79% <63.63%> (+1.92%)	:arrow_up:
pkg/device/devices.go	23.21% <20.00%> (-8.27%)	:arrow_down:
pkg/device/ascend/vnpu.go	0.00% <0.00%> (ø)
pkg/device/ascend/device.go	2.75% <3.92%> (-13.51%)	:arrow_down: