Correct the dhcp object path

Due to the path of the dhcp has been changed from
`/xyz/openbmc_project/network/config/dhcp` to
`/xyz/openbmc_project/network/dhcp`.

See:
https: //gerrit.openbmc.org/c/openbmc/phosphor-networkd/+/58725
Change-Id: I90c8acbbb532fae2a50c56a255a2236a9faa051f
Signed-off-by: Jian Zhang <zhangjian.3032@bytedance.com>
diff --git a/dcmihandler.hpp b/dcmihandler.hpp
index 81c1e0b..303f6d0 100644
--- a/dcmihandler.hpp
+++ b/dcmihandler.hpp
@@ -48,7 +48,7 @@
     "xyz.openbmc_project.Network.EthernetInterface";
 static constexpr auto ethernetDefaultChannelNum = 0x1;
 static constexpr auto networkRoot = "/xyz/openbmc_project/network";
-static constexpr auto dhcpObj = "/xyz/openbmc_project/network/config/dhcp";
+static constexpr auto dhcpObj = "/xyz/openbmc_project/network/dhcp";
 static constexpr auto dhcpIntf =
     "xyz.openbmc_project.Network.DHCPConfiguration";
 static constexpr auto systemBusName = "org.freedesktop.systemd1";