Switch memdisk compression to lzop

xz decompression is very slow and slows down boot by around 5 seconds on
aarch64/Apple M1 when using the default font. Switch to lzop, which
takes less than one second to uncompress.

This increases EFI core image size by around 11%.

Signed-off-by: Hector Martin <marcan@marcan.st>

grub.macros

@@ -419,7 +419,7 @@ rm -f %{1}.conf							\
 %define efi_mkimage()						\
 mkdir -p memdisk/fonts						\
 cp %{4}/unicode.pf2 memdisk/fonts				\
-mksquashfs memdisk memdisk.squashfs -comp xz			\
+mksquashfs memdisk memdisk.squashfs -comp lzo			\
 %{4}./grub-mkimage -O %{1} -o %{2}.orig				\\\
 	-d grub-core						\\\
 	--sbat %{4}./sbat.csv					\\\
@@ -448,14 +448,14 @@ mksquashfs memdisk memdisk.squashfs -comp xz			\
 %define ieee1275_mkimage()					\
 mkdir -p memdisk/fonts						\
 cp %{5}/unicode.pf2 memdisk/fonts				\
-mksquashfs memdisk memdisk.squashfs -comp xz			\
+mksquashfs memdisk memdisk.squashfs -comp lzo			\
 ./grub-mkimage -O %{1} -o %{2} -p '/grub2' -d grub-core ${GRUB_MODULES} \
 %{nil}
 %else
 %define ieee1275_mkimage()					\
 mkdir -p memdisk/fonts						\
 cp %{5}/unicode.pf2 memdisk/fonts				\
-mksquashfs memdisk memdisk.squashfs -comp xz			\
+mksquashfs memdisk memdisk.squashfs -comp lzo			\
 APPENDED_SIG_SIZE=0						\
 if [ -x /usr/bin/rpm-sign ]; then				\
 	touch empty.unsigned					\

grub2.spec

@@ -17,7 +17,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.06
-Release:	114%{?dist}
+Release:	115%{?dist}
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -554,6 +554,9 @@ mv ${EFI_HOME}/grub.cfg.stb ${EFI_HOME}/grub.cfg
 %endif
 
 %changelog
+* Sat Jan 13 2024 Hector Martin <marcan@fedoraproject.org> - 2.06-115
+- Switch memdisk compression to lzop
+
 * Thu Jan 11 2024 Daan De Meyer <daan.j.demeyer@gmail.com> - 2.06-114
 -  Don't obsolete the tools package with minimal