Add support Ralink RT1310 soc

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Summary

This code base on lpc code. Ralink RT1310 is oem from 5V Technologies. RT1310 is ARM926EJS(arm5t).

Test Plan

Buffalo WZR2-G300N

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• fix gpioled support

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• move cfi entory to board setting

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• style and cleanup

[mizhka]

Thank you, Hiroki-san!

I prefer to clean #if 0 & commented code before landing.

sys/arm/ralink/if_fv.c

28

Do we need $Id: $?

67–68

What is reason to put sys/* here but not in upper section?

82–84

#ifdef MII or please put it after DRIVER_MODULE section.

sys/arm/ralink/rt1310_machdep.c

36

Is it thing?

sys/arm/ralink/rt1310_rtc.c

102–104 ↗

(On Diff #22400)

:) it's a kind of magic

sys/arm/ralink/rt1310reg.h

28

To be $FreeBSD$

31–32

_ARM_RALINK_RT1310REG_H?

38–51

To be tabs after #define (at least it should be same style for all lines)

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• refict review and delete rtc code because of rt1310 don't have rtc

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• add mutex lock at smi access

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• add mdio dependeny

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• modify dts

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• modify conf

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• add promiscuous mode support and cleanup

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• add promiscuous mode support

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• other review refict