lua-platform-info: add support for x86-64 target

libs/lua-platform-info/Makefile

@@ -12,7 +12,7 @@ define Package/lua-platform-info
   SECTION:=libs
   CATEGORY:=Libraries
   TITLE:=Lua hardware platform information library
-  DEPENDS:=+lua @(TARGET_ar71xx_generic||TARGET_ar71xx_nand||TARGET_mpc85xx_generic||TARGET_x86_generic||TARGET_x86_kvm_guest||TARGET_ramips_rt305x)
+  DEPENDS:=+lua @(TARGET_ar71xx_generic||TARGET_ar71xx_nand||TARGET_mpc85xx_generic||TARGET_x86_generic||TARGET_x86_kvm_guest||TARGET_x86_64||TARGET_ramips_rt305x)
 endef
 
 define Package/lua-platform-info/description

libs/lua-platform-info/files/x86/64/platform_info.lua

@@ -0,0 +1,36 @@
+local model
+
+for line in io.lines('/proc/cpuinfo') do
+  model = line:match('^model name%s*:%s*(.+)$')
+  if model then
+    break
+  end
+end
+
+
+module 'platform_info'
+
+-- The OpenWrt target
+function get_target()
+  return 'x86'
+end
+
+-- The OpenWrt subtarget or nil
+function get_subtarget()
+  return '64'
+end
+
+-- The board name
+function get_board_name()
+  return nil
+end
+
+-- The model name
+function get_model()
+  return model
+end
+
+-- The image name for sysupgrades
+function get_image_name()
+  return 'x86-64'
+end