[configs/releng] Increse efiboot.img again

We reached the upper limit again [#1], increasing sufficiently
to do not touch again in long time.

[#1] 526be157

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>

configs/releng/build.sh

@@ -169,7 +169,7 @@ make_efi() {
 # Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
 make_efiboot() {
     mkdir -p ${work_dir}/iso/EFI/archiso
-    truncate -s 40M ${work_dir}/iso/EFI/archiso/efiboot.img
+    truncate -s 64M ${work_dir}/iso/EFI/archiso/efiboot.img
     mkfs.fat -n ARCHISO_EFI ${work_dir}/iso/EFI/archiso/efiboot.img
 
     mkdir -p ${work_dir}/efiboot