add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/crypto/Makefile
..
..
@@ -1,5 +1,8 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 obj-$(CONFIG_FS_ENCRYPTION)	+= fscrypto.o
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+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=ANDROID_GKI_VFS_EXPORT_ONLY
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+
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 fscrypto-y := crypto.o \
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 	      fname.o \
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 	      hkdf.o \