mfd: Allow for bypass of cell resource conflict check

The upcoming VIA VX855 MFD driver needs to communicate resources
to subdevices where the resources may be claimed by ACPI.

Add a flag to mfd_cell to request that resources are not policed.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index 11d740b..cb93d80 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -44,6 +44,9 @@
 	 */
 	int			num_resources;
 	const struct resource	*resources;
+
+	/* don't check for resource conflicts */
+	bool			ignore_resource_conflicts;
 };
 
 extern int mfd_add_devices(struct device *parent, int id,