raspberrypi inclusion
category: feature
bugzilla: 50432

------------------------------

This patch adjusts following memory related patches for
raspberry pi on non-Raspberry Pi platforms, using specific
config CONFIG_OPENEULER_RASPBERRYPI to distinguish them:

6e500008 mm: Remove the PFN busy warning
244b4163 cgroup: Disable cgroup "memory" by default
a7536dd3 zswap: Defer zswap initialisation
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>