add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/testing/selftests/powerpc/math/.gitignore
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@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 fpu_syscall
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 vmx_syscall
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 fpu_preempt
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@@ -5,3 +6,4 @@
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 fpu_signal
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 vmx_signal
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 vsx_preempt
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+fpu_denormal