mfd: syscon: Add atmel-matrix registers definition

This file is copied from Linux. AT91 SoCs have a memory range reserved
for internal bus configuration. Expose those registers so that drivers
can make use of the matrix syscon declared in at91 DTs.

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
1 file changed