mfd: syscon: Set regmap name to DT node name

This sets the regmap name to the device tree node name. This is useful
for debugging.

Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/syscon.c

@@ -106,6 +106,7 @@ static struct syscon *of_syscon_register(struct device_node *np)
 		}
 	}
 
+	syscon_config.name = of_node_full_name(np);
 	syscon_config.reg_stride = reg_io_width;
 	syscon_config.val_bits = reg_io_width * 8;
 	syscon_config.max_register = resource_size(&res) - reg_io_width;