Updating XDMoD's install script

- Updated the supremm rpm install to take into account which
  architecture it's being built on and install the correct rpm.
  Currently supported architectures are: x86_64, and aarch64 ( arm64 )

Author: ryanrath

xdmod/install.sh

@@ -42,7 +42,7 @@ pip2 install pexpect==4.4.0
 dnf install -y https://github.com/ubccr/xdmod/releases/download/v10.0.0-beta4-el8/xdmod-10.0.0-1.4.beta4.el8.noarch.rpm \
                https://github.com/ubccr/xdmod-ondemand/releases/download/v10.0.0/xdmod-ondemand-10.0.0-1.0.beta1.el8.noarch.rpm \
                https://github.com/ubccr/xdmod/releases/download/v10.0.0-beta4-el8/xdmod-supremm-10.0.0-1.4.beta4.el8.noarch.rpm \
-               https://github.com/ubccr/supremm/releases/download/2.0.0-beta3/supremm-2.0.0-1.0_beta3.el8.x86_64.rpm
+               https://github.com/ubccr/supremm/releases/download/2.0.0-beta3/supremm-2.0.0-1.0_beta3.el8."$(uname -m)".rpm
 
 #------------------------
 # The Job Performance software uses MongoDB to store the job-level performance