[NNAdapter][VerisiliconTIMVX] Init support for TIM-VX #7706
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test=develop test=huawei_ascend_npu
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…into hongming/add_timvx_backend test=develop test=huawei_ascend_npu
test=develop test=huawei_ascend_npu
test=develop test=huawei_ascend_npu
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背景
NNAdapter 增加芯原TIM-VX HAL，用于支持所有使用了芯原NPU IP的芯片，例如：瑞芯微 rk1808/1806 rv1109/rv1126、晶晨amlogic c308x/s905d3/a311d、恩智浦I.MX 8M Plus（待验证），该方案的引入并不是替代原有rknpu_ddk和amlnpu_ddk方案（原有方案将重点支持非芯原NPU IP的芯片），而是对相关芯片能力的补充，旨在增加Paddle算子和模型的覆盖，有效的服务于厂内外业务。
方案
基于 Paddle Lite + NNAdapter 硬件接入方案，需要实现 NNAdapter TIM-VX HAL，具体修改点如下：