tcp_comp: add Kconfig for tcp payload compression

hulk inclusion
category: feature
bugzilla: NA
CVE: NA

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Add config item CONFIG_TCP_COMP for tcp payload compression.

This allows payload compression handling of the TCP protocol
to be done in-kernel.

This patch only adds the CONFIG_TCP_COMP config, tcp compression
capability is implemented later.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>