meson: reformat with meson formatter

Apply the `meson format` results.

Change-Id: Ibc284677b4e623fc2788cd223ac12139e00810e9
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/service_files/meson.build b/service_files/meson.build
index 42722d2..e844a74 100644
--- a/service_files/meson.build
+++ b/service_files/meson.build
@@ -1,4 +1,4 @@
 install_data(
-  'xyz.openbmc_project.PCIe.service',
-  install_dir: systemd_system_unit_dir,
+    'xyz.openbmc_project.PCIe.service',
+    install_dir: systemd_system_unit_dir,
 )