ARM: dts: sun7i: Add A20 SRAM and SRAM controller
The A20 has a few SRAM that can be mapped either to a device or to the CPU, with the mapping being controlled by a SRAM controller. Since most of the time these SRAM won't be accessible by the CPU, we can't use the mmio-sram driver and compatible. Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com> [hdegoede@redhat.com: Do not change soc node name, change compatible to sun4i-a10-sram-controller to match the driver change] Signed-off-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
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