Live-ISO: Add memtest boot entry for efi systems

Signed-off-by: Peter Jung <admin@ptr1337.dev>

archiso/grub/grub.cfg

@@ -63,6 +63,11 @@ menuentry "CachyOS (copytoram)(x86_64, UEFI)" --class arch --class gnu-linux --c
 
 if [ "${grub_platform}" == "efi" ]; then
     if [ "${grub_cpu}" == "x86_64" ]; then
+        menuentry "Run Memtest86+ (RAM test)" --class memtest86 --class gnu --class tool {
+            set gfxpayload=800x600,1024x768
+            search --fs-uuid --no-floppy --set=root --label %ARCHISO_LABEL%
+            linux /%INSTALL_DIR%/boot/memtest.efi
+        }
         menuentry "UEFI Shell" {
             insmod chain
             search --no-floppy --set=root --label %ARCHISO_LABEL%

archiso/packages_kde.x86_64

@@ -116,6 +116,7 @@ man-pages
 mc
 mdadm
 memtest86+
+memtest86+-efi
 mesa
 mhwd-cachyos
 mhwd-nvidia-390xx