add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/rtl8703b/rtl8703b_phycfg.c
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@@ -1005,6 +1005,7 @@
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 	}
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+	barrier(); /* work around https://bugs.llvm.org/show_bug.cgi?id=42576 */
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 	return (SCSettingOf40 << 4) | SCSettingOf20;
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 }
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