Update Ubuntu insall kfd instructions.

Author: estewart08

docs/UBUNTUINSTALL.md

@@ -19,9 +19,9 @@ The AOMP bin directory (which includes the standard clang and llvm binaries) is
 ### AMD KFD Driver
 These commands are for supported Debian-based systems and target only the rock_dkms core component. More information can be found [HERE](https://rocm.github.io/ROCmInstall.html#ubuntu-support---installing-from-a-debian-repository).
 ```
-echo 'SUBSYSTEM=="kfd", KERNEL=="kfd", TAG+="uaccess", GROUP="video"' | sudo tee /etc/udev/rules.d/70-kfd.rules
-wget -qO - http://repo.radeon.com/rocm/apt/debian/rocm.gpg.key | sudo apt-key add -
-echo 'deb [arch=amd64] http://repo.radeon.com/rocm/apt/debian/ xenial main' | sudo tee /etc/apt/sources.list.d/rocm.list
+sudo apt install wget gnupg2
+wget -q -O - https://repo.radeon.com/rocm/rocm.gpg.key | sudo apt-key add -
+echo 'deb [arch=amd64] https://repo.radeon.com/rocm/apt/debian/ ubuntu main' | sudo tee /etc/apt/sources.list.d/rocm.list
 sudo apt update
 sudo apt install rock-dkms