dt-bindings: sram: Document qcom,kaanapali-imem and its child node

On Qualcomm Kaanapali platform, IMEM is a block of SRAM shared across
multiple IP blocks which can falk back to "mmio-sram". Documnent it and
its child node "qcom,pil-reloc-info" which is used for collecting
remoteproc ramdumps.

Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251123-knp-soc-binding-v4-1-42b349a66c59@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: jingyiwang42

Documentation/devicetree/bindings/sram/sram.yaml

@@ -34,6 +34,7 @@ properties:
         - nvidia,tegra186-sysram
         - nvidia,tegra194-sysram
         - nvidia,tegra234-sysram
+        - qcom,kaanapali-imem
         - qcom,rpm-msg-ram
         - rockchip,rk3288-pmu-sram
 
@@ -89,6 +90,7 @@ patternProperties:
             - arm,juno-scp-shmem
             - arm,scmi-shmem
             - arm,scp-shmem
+            - qcom,pil-reloc-info
             - renesas,smp-sram
             - rockchip,rk3066-smp-sram
             - samsung,exynos4210-sysram