Apply copytoram Boot Option Menu Entries also to releng

configs/releng/efiboot/loader/entries/03-archiso-x86_64-ram-linux.conf

+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+title   Arch Linux install medium (x86_64, UEFI, Copy to RAM)
+linux   /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
+initrd  /%INSTALL_DIR%/boot/intel-ucode.img
+initrd  /%INSTALL_DIR%/boot/amd-ucode.img
+initrd  /%INSTALL_DIR%/boot/x86_64/initramfs-linux.img
+options archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL% copytoram

configs/releng/efiboot/loader/loader.conf

@@ -2,4 +2,4 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 timeout 15
-default archiso-x86_64-linux.conf
+default 01-archiso-x86_64-linux.conf

configs/releng/syslinux/archiso_sys-linux.cfg

@@ -21,3 +21,14 @@ MENU LABEL Arch Linux install medium (x86_64, BIOS) with ^speech
 LINUX /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
 INITRD /%INSTALL_DIR%/boot/intel-ucode.img,/%INSTALL_DIR%/boot/amd-ucode.img,/%INSTALL_DIR%/boot/x86_64/initramfs-linux.img
 APPEND archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL% accessibility=on
+
+# Copy to RAM boot option
+LABEL arch64ram
+TEXT HELP
+Boot the Arch Linux install medium on BIOS with Copy-to-RAM option
+It allows you to install Arch Linux or perform system maintenance.
+ENDTEXT
+MENU LABEL Arch Linux install medium (x86_64, BIOS, Copy to RAM)
+LINUX /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux
+INITRD /%INSTALL_DIR%/boot/intel-ucode.img,/%INSTALL_DIR%/boot/amd-ucode.img,/%INSTALL_DIR%/boot/x86_64/initramfs-linux.img
+APPEND archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL% copytoram