add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/amba/Makefile
..
..
@@ -1,2 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
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 obj-$(CONFIG_ARM_AMBA)		+= bus.o
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 obj-$(CONFIG_TEGRA_AHB)		+= tegra-ahb.o