update documentation

- remove driver warning
- add link to supported card y the ROCm driver

doc/compile_Linux.md

@@ -9,10 +9,8 @@
 - run `./amdgpu-pro-install --opencl=legacy,pal` from the unzipped folder
 - set the environment variable to opencl `export AMDAPPSDKROOT=/opt/amdgpu-pro/`
 
-**ATTENTION** The linux driver 18.3 creating invalid shares. 
-If you have an issue with `invalid shares` please downgrade your driver or switch to ROCm.
-
 For linux also the OpenSource driver ROCm 1.9.X+ is a well working alternative, see https://rocm.github.io/ROCmInstall.html
+ROCm is not supporting old GPUs please check if your GPU is supported https://rocm.github.io/hardware.html.
 
 ### Cuda 8.0+ (only needed to use NVIDIA GPUs)
 

doc/compile_Windows.md

@@ -34,9 +34,6 @@
 
 - Download & install the AMD driver: https://www.amd.com/en/support
 
-**ATTENTION** Many windows driver 18.5+ creating invalid shares.
-If you have an issue with `invalid shares` please downgrade your driver.
-
 - Download and install the latest version of the OCL-SDK from https://github.com/GPUOpen-LibrariesAndSDKs/OCL-SDK/releases 
 
 Do not follow old information that you need the AMD APP SDK. AMD has removed the APP SDK and is now shipping the OCL-SDK_light.