common: factor out common opts to all scripts

getvar

@@ -1,37 +1,13 @@
 #!/usr/bin/env bash
 . "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
-while getopts ha:gL:M:N:n:Q:t: OPT; do
+while getopts "h${common_getopts_flags}" OPT; do
   case "$OPT" in
     h)
       echo "https://github.com/cirosantilli/linux-kernel-module-cheat#getvar" 2>&1
       exit
       ;;
-    a)
-      common_arch="$OPTARG"
-      ;;
-    g)
-      common_gem5=true
-      ;;
-    L)
-      common_linux_variant="$OPTARG"
-      ;;
-    M)
-      common_gem5_variant="$OPTARG"
-      ;;
-    N)
-      common_gem5_worktree="$OPTARG"
-      ;;
-    n)
-      common_run_id="$OPTARG"
-      ;;
-    Q)
-      common_qemu_variant="$OPTARG"
-      ;;
-    t)
-      common_gem5_build_type="$OPTARG"
-      ;;
     ?)
-      exit 2
+      common_getopts_case "$OPT"
       ;;
   esac
 done