afe integration web rev posted

For the curious, I've posted a webrev containing the changes required to integrate afe into Nevada.

The driver includes changes from the stock AFE driver for Solaris, including some lint fixes, and changes to use the stock Solaris sys/miireg.h.

I'd love to make more changes to this driver, but at the moment I don't want to cause a test reset. Once the driver is integrated, I have a bunch more improvements coming... Nemo, multiple mac address support, VLAN support, link notification support (needed for NWAM), as well as code reduction by using some features that are now part of stock Solaris (like the common MII framework!)

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