dt-bindings: sram: Add Amlogic SCP SRAM compatibles

Add compatibles for the Amlogic SCP SRAM memory zones.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/sram/sram.yaml

@@ -73,6 +73,8 @@ patternProperties:
             - allwinner,sun50i-a64-sram-c
             - amlogic,meson8-smp-sram
             - amlogic,meson8b-smp-sram
+            - amlogic,meson-gxbb-scp-shmem
+            - amlogic,meson-axg-scp-shmem
             - renesas,smp-sram
             - rockchip,rk3066-smp-sram
             - samsung,exynos4210-sysram