cpu uarch patches: move download code to prepare (#462)

And update to new naming scheme

Signed-off-by: Adel KARA SLIMANE <adel.ks@zegrapher.com>

install.sh

@@ -208,28 +208,6 @@ if [ "$1" = "install" ] || [ "$1" = "config" ]; then
   # Git clone (if necessary) and checkout the asked branch by the user
   _linux_git_branch_checkout
 
-  cd "$_where"
-
-  if [ "$_basever" = "54" ]; then
-    opt_ver="4.19-5.4"
-  elif [ "$_basever" = "57" ]; then
-    opt_ver="5.7"
-    opt_alternative_url="true"
-  elif [[ "$_basever" =~ ^(58|59|510|511|512|513|514)$ ]]; then
-    opt_ver="5.8-5.14"
-  else
-    opt_ver="5.15+"
-  fi
-
-  if [ -n "$opt_ver" ]; then
-    msg2 "Downloading Graysky2's CPU optimisations patch"
-    if [ "$opt_alternative_url" != "true" ]; then
-      wget "https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/master/more-uarches-for-kernel-${opt_ver}.patch"
-    else
-      wget "https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/master/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v10.1+_kernel_v${opt_ver}.patch"
-    fi
-  fi
-
   # cd into the linux-src folder is important before calling _tkg_srcprep
   cd "$_where/linux-src-git"
   _tkg_srcprep