ub: init uburma cmd function that support handle ioctl from user mode.

driver inclusion
category: feature
bugzilla: NA
CVE: NA

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Init uburma cmd function, which is to handle ioctl cmd from user mode.
Add ioctl support for uburma file operation.

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