dt-bindings: Consolidate "sram" property definition

dt-bindings: Consolidate "sram" property definition

The "sram" property has become a de facto standard property, so create a
common schema for it and drop all the duplicated definitions.

Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Liu Ying <victor.liu@nxp.com> #fsl,imx8qxp-dc-command-sequencer.yaml
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> # display/msm
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Tanmay Shah <tanmay.shah@amd.com>
Link: https://patch.msgid.link/20260511165942.2774868-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>