Accepting request 403817 from home:michael-chang:branches:Base:System

- Fix grub2-editenv error on encrypted lvm installation (bsc#981621) 
  * modified grub2-btrfs-workaround-grub2-once.patch
- Add missing closing bracket in 'grub2-snapper-plugin.sh'.
- Fix snapshot booting on s390x (bsc#955115)
  * modified grub2-snapper-plugin.sh 
- Fallback to old subvol name scheme to support old snapshot config
  (bsc#953538)
  * added grub2-btrfs-07-subvol-fallback.patch

OBS-URL: https://build.opensuse.org/request/show/403817
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=221

grub2.spec

@@ -193,6 +193,7 @@ Patch103:       grub2-btrfs-03-follow_default.patch
 Patch104:       grub2-btrfs-04-grub2-install.patch
 Patch105:       grub2-btrfs-05-grub2-mkconfig.patch
 Patch106:       grub2-btrfs-06-subvol-mount.patch
+Patch107:       grub2-btrfs-07-subvol-fallback.patch
 # Support EFI xen loader
 Patch120:       grub2-efi-xen-chainload.patch
 Patch121:       grub2-efi-chainloader-root.patch
@@ -421,6 +422,7 @@ mv po/grub.pot po/%{name}.pot
 %patch104 -p1
 %patch105 -p1
 %patch106 -p1
+%patch107 -p1
 %patch120 -p1
 %patch121 -p1
 %patch122 -p1