add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/kernel/printk/Makefile
..
..
@@ -1,3 +1,5 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
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 obj-y	= printk.o
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 obj-$(CONFIG_PRINTK)	+= printk_safe.o
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 obj-$(CONFIG_A11Y_BRAILLE_CONSOLE)	+= braille.o
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+obj-$(CONFIG_PRINTK)	+= printk_ringbuffer.o