add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/drivers/tty/serdev/Makefile
..
..
@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0
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 serdev-objs := core.o
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 obj-$(CONFIG_SERIAL_DEV_BUS) += serdev.o