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i82378: Remove bogus MMIO coalescing
This MMIO area is an entry gate to legacy PC ISA devices, addressed via
PIO over there. Quite a few of the PIO ports have side effects on access
like starting/stopping timers that must be executed properly ordered
/wrt the CPU. So we have to remove the coalescing mark.
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Acked-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>