qe: add ability to upload QE firmware

[Timur Tabi]

Jerry Van Baren wrote:

>> +/*
>> + * Download a microcode to the I-RAM at a specific address.
>       ^^^^^^^^
>> + *
>> + * @firmware: pointer to qe_firmware structure
>> + */
>> +int qe_upload_microcode(const struct qe_firmware *firmware)
>           ^^^^^^
> We seem to be a little conflicted over whether it is an upload or a 
> download.  ;-)

Oh, now I see what you're talking about.  Duh.