bash scripts: reformat with shfmt
    
    upstream: fedora
    resolves: bz2003832
    conflict:
        function load_kdump_kernel_key() not exist in rhel9,
        so related patch hunk is removed.
    
    commit 0e4b66b1ab4d90bea8f3021a46660f5a253eb110
    Author: Kairui Song <kasong@redhat.com>
    Date:   Tue Sep 14 02:25:40 2021 +0800
    
        bash scripts: reformat with shfmt
    
        This is a batch update done with:
        shfmt -s -w mkfadumprd mkdumprd kdumpctl *-module-setup.sh
    
        Clean up code style and reduce code base size, no behaviour change.
    
        Signed-off-by: Kairui Song <kasong@redhat.com>
        Acked-by: Philipp Rudo <prudo@redhat.com>
    
    Signed-off-by: Tao Liu <ltao@redhat.com>