[flashrom-gerrit] Change in flashrom[staging]: vt_vx: check whether the chipset's MMIO range is configured

[Nico Huber (Code Review)]

Nico Huber has abandoned this change. ( https://review.coreboot.org/22263 )

Change subject: vt_vx: check whether the chipset's MMIO range is configured
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Abandoned

picked to master long ago and staging is abandoned