ub: ubcore add create/modify/delete jfc api impls

driver inclusion
category: feature
bugzilla: NA
CVE: NA

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Ubcore add create/modify/delete jfc, which will finally call hw driver's
registered method to create/modify/delete jfc. Create jfc will also add
jfc in hash table to manage.

Signed-off-by: Guoxin Qian <qianguoxin@huawei.com>
Signed-off-by: Yizhen Fan <fanyizhen@huawei.com>