Add support for easyOS easy-4.4.2-amd64.img. (#1926)

INSTALL/grub/grub.cfg

@@ -1847,6 +1847,41 @@ function ventoy_img_easyos {
     loopback -d easysfs
 }
 
+function ventoy_img_easyos2 {
+    vt_load_cpio  $vtoy_path  "${vt_chosen_path}" ${vtoy_iso_part} "busybox=$ventoy_busybox_ver"
+    vt_trailer_cpio ${vtoy_iso_part} "${vt_chosen_path}" noinit
+    
+    if [ -e (vtimghd,2)/easyos/easy.sfs ]; then
+        loopback easysfs (vtimghd,2)/easyos/easy.sfs
+    elif [ -d (vtimghd,2)/easyos/releases ]; then
+        vt_fs_enum_1st_dir (vtimghd,2) /easyos/releases/ vt_dir_name
+        loopback easysfs (vtimghd,2)/easyos/releases/$vt_dir_name/easy.sfs
+    fi
+    
+    vt_get_lib_module_ver (easysfs) /lib/modules/ vt_module_ver
+    
+    if [ -n "$vt_module_ver" ]; then        
+        for mod in "kernel/drivers/md/dm-mod.ko" "kernel/drivers/dax/dax.ko"; do
+            if [ -e (easysfs)/lib/modules/$vt_module_ver/$mod ]; then
+                vt_img_extra_initrd_append  (easysfs)/lib/modules/$vt_module_ver/$mod
+            fi
+        done
+    fi
+
+    ventoy_debug_pause
+
+    #boot image file
+    vt_set_boot_opt rdinit=/vtoy/vtoy
+    vt_img_hook_root
+    
+    vt_limine_menu (vtimghd,1)/limine.cfg vt_sys_menu_mem
+    configfile "mem:${vt_sys_menu_mem_addr}:size:${vt_sys_menu_mem_size}"
+    
+    vt_img_unhook_root
+    vt_unset_boot_opt
+    loopback -d easysfs
+}
+
 function ventoy_img_volumio {
     vt_load_cpio  $vtoy_path  "${vt_chosen_path}" ${vtoy_iso_part} "busybox=$ventoy_busybox_ver"
     vt_trailer_cpio ${vtoy_iso_part} "${vt_chosen_path}" noinit
@@ -2262,6 +2297,8 @@ function img_common_menuentry {
         ventoy_img_esysrescue
     elif [ -e (vtimghd,1)/easy.sfs ]; then
         ventoy_img_easyos
+    elif [ -d (vtimghd,2)/easyos ]; then
+        ventoy_img_easyos2
     elif [ -e (vtimghd,1)/volumio.initrd ]; then
         ventoy_img_volumio
     elif [ -f (vtimghd,2)/loader/entries/ubos.conf ]; then