add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/xtensa/mm/Makefile
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@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 #
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 # Makefile for the Linux/Xtensa-specific parts of the memory manager.
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 #