Windows 10 Cannot find AMD Devices
Currently trying to run the GPU miner on my machine running two AMD Radeon 5700's in SLI, but I get the following output.

```bash
C:\Users\hskra\Documents\xmrig-amd-2.4.3-beta2-win64>xmrig-amd.exe -o localhost:18081 -u <WALLET>
 * VERSIONS:     XMRig/2.4.3-beta2 libuv/1.14.1 OpenCL/2.0 MSVC/2017
 * CPU:          Intel(R) Core(TM) i7 CPU         930  @ 2.80GHz x64 -AES-NI
 * ALGO:         cryptonight, donate=5%
 * POOL #1:      localhost:18081
 * COMMANDS:     hashrate, pause, resume
[2018-01-07 20:28:18] compiling code and initializing GPUs. This will take a while...
[2018-01-07 20:28:18] found AMD platform index: 0, name: Advanced Micro Devices, Inc.
[2018-01-07 20:28:18] No AMD device found.
[2018-01-07 20:28:18] Failed to start threads
```