net: eth: mgmt: Minor formatting fix

Line too long. Make it match other defines.

Signed-off-by: Tomasz Gorochowik <tgorochowik@antmicro.com>

include/net/ethernet_mgmt.h

@@ -63,7 +63,7 @@ NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_DUPLEX);
 
 NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_MAC_ADDRESS);
 
-#define NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH				\
+#define NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH			\
 	(_NET_ETHERNET_BASE | NET_REQUEST_ETHERNET_CMD_SET_QAV_DELTA_BANDWIDTH)
 
 NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_ETHERNET_SET_QAV_DELTA_BANDWIDTH);