[ofw] RE: Allow hw\mlx4\kernel\bus\drv\pci.c to compile without warnings

[Sean Hefty]

>  pci.c @ line 556 needs a (char*) cast on &vpd[3] in order to build in the x64
>build environment without warnings which kill the build.
>
>Stan.
>
>556c556,557
><                       ("Found VPD of size %d, beginning with '%s'\n",
>*p_vpd_size, &vpd[3]));
>---
>>                       ("Found VPD of size %d, beginning with '%s'\n",
>>                       *p_vpd_size, (char*)&vpd[3]));

What is vpd array, and why is it being used as a string if it isn't already char
*?  (I don't see this in my tree, but I haven't updated in a couple of days.)