sensor-cache: Implement assertion()

Implement assertion() for cache's sensor.

Tested: Verify the sensors using `assersion` have valid values in
        QEMU, e.g.

        OperatingSystemS | 0x0        | discrete   | 0x4000| na        | na        | na        | na        | na        | na

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I753c4359a2b6870427dfb4a1999ee6d1c61cd64f
1 file changed