arm64: dts: qcom: sc7280: Add/Delete/Update reserved memory nodes

Add, delete and update platform specific reserved memory nodes.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1631886935-14691-8-git-send-email-sibis@codeaurora.org