ACPI: Add prefetch decoding to the address space parser

Add support of PREFETCH attributre to ACPI address space and extended
address space parser.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/resource.c

@@ -200,6 +200,9 @@ static bool acpi_decode_space(struct resource *res,
 	if (addr->producer_consumer == ACPI_PRODUCER)
 		res->flags |= IORESOURCE_WINDOW;
 
+	if (addr->info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
+		res->flags |= IORESOURCE_PREFETCH;
+
 	return !(res->flags & IORESOURCE_DISABLED);
 }