add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/rpmsg/rockchip_rpmsg_test.c
..
..
@@ -1,4 +1,4 @@
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-// SPDX-License-Identifier: GPL
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Rockchip Remote Processors Messaging Test.
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  *