add config-setup.service as dependency for pcie-check.service (sonic-…

…net#7599)

Why I did it
start pcie-check.service after config-setup.service since pcie_util depends on device_info which is available with config db metadata.

How I did it
Add config-setup.service as a dependency of pcie-check.service

How to verify it
Upon reboot, check if the pcie-check.sh throws the platform api error which is dependent on DEVICE_METADATA

files/image_config/pcie-check/pcie-check.service

@@ -1,6 +1,6 @@
 [Unit]
 Description=Check the PCIe device presence and status
-After=rc.local.service database.service
+After=rc.local.service database.service config-setup.service
 
 [Service]
 Type=simple