ARM: dts: msm: Update cpuss dump sizes for Atoll

Update cpuss dump size to match the one required for dump data
collection on Atoll SoC. While at it, add the llcc dump node to
allocate memory for llcc cache dump.

Change-Id: Ie846a6d1b2ca08e82206d12fa3dcce4ea51fd64e
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>