Improve GPU Reading on Linux (#1916)

GPUs that have subsystem name but no revision number can be processed
correctly by using $(NF-1) instead of $7 in the awk

neofetch

@@ -2491,7 +2491,7 @@ get_gpu() {
             gpu_cmd="$(lspci -mm |
                        awk -F '\"|\" \"|\\(' \
                               '/"Display|"3D|"VGA/ {
-                                  a[$0] = $1 " " $3 " " ($7 ~ /^$|^Device [[:xdigit:]]+$/ ? $4 : $7)
+                                  a[$0] = $1 " " $3 " " ($(NF-1) ~ /^$|^Device [[:xdigit:]]+$/ ? $4 : $(NF-1))
                               }
                               END { for (i in a) {
                                   if (!seen[a[i]]++) {