add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/net/ethernet/broadcom/genet/Makefile
..
..
@@ -1,2 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
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2
 obj-$(CONFIG_BCMGENET) += genet.o
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 genet-objs := bcmgenet.o bcmmii.o bcmgenet_wol.o