Fix debian image for sparc64

Author: JohnTitor

ci/linux-sparc64.sh

@@ -5,11 +5,11 @@ set -ex
 mkdir -m 777 /qemu
 cd /qemu
 
-curl --retry 5 -LO https://cdimage.debian.org/cdimage/ports/2020-04-19/debian-10.0-sparc64-NETINST-1.iso
-7z e debian-10.0-sparc64-NETINST-1.iso install/initrd.gz
-7z e debian-10.0-sparc64-NETINST-1.iso install/vmlinux
+curl --retry 5 -LO https://cdimage.debian.org/cdimage/ports/snapshots/2020-10-13/debian-10.0.0-sparc64-NETINST-1.iso
+7z e debian-10.0.0-sparc64-NETINST-1.iso install/initrd.gz
+7z e debian-10.0.0-sparc64-NETINST-1.iso install/vmlinux
 mv vmlinux kernel
-rm debian-10.0-sparc64-NETINST-1.iso
+rm debian-10.0.0-sparc64-NETINST-1.iso
 
 mkdir init
 cd init