meson: Replace configure_file with fs.copyfile

configure_file is deprecated since 0.64.0, and replace it with
fs.copyfile.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I9da6cfc78f1350e7d3bd755db1ecf19a23c86c5c
diff --git a/service_files/meson.build b/service_files/meson.build
index 42c2357..8aec069 100644
--- a/service_files/meson.build
+++ b/service_files/meson.build
@@ -24,12 +24,11 @@
     'phosphor-create-chassis-poweron-log@.service'
 ]
 
+fs = import('fs')
 foreach u : unit_files
-    configure_file(
-        copy: true,
-        input: u,
+    fs.copyfile(
+        u,
         install: true,
-        install_dir: systemd_system_unit_dir,
-        output: u,
-        )
+        install_dir: systemd_system_unit_dir
+    )
 endforeach
diff --git a/target_files/meson.build b/target_files/meson.build
index aad5d15..9fcc2c5 100644
--- a/target_files/meson.build
+++ b/target_files/meson.build
@@ -40,12 +40,11 @@
     'obmc-power-stop@.target',
 ]
 
+fs = import('fs')
 foreach u : unit_files
-    configure_file(
-        copy: true,
-        input: u,
+    fs.copyfile(
+        u,
         install: true,
-        install_dir: systemd_system_unit_dir,
-        output: u,
-        )
+        install_dir: systemd_system_unit_dir
+    )
 endforeach