techpack/camera: add the scanner driver code

[1 of 1][10277816]add the scanner driver code
 ###%%%comment:[1 of 1]add the scanner driver code
 ###%%%bug number:10277816
 ###%%%product name:n10
 ###%%%root cause:Specification
 ###%%%Bug category:T2M
 ###%%%regression response:---
 ###%%%regression comments:
 ###%%%Module_Impact:scanner
 ###%%%Test_Suggestion:you can test scanner function
 ###%%%Solution:add the scanner driver code
 ###%%%Test_Report:you can test scanner function
 ###%%%VAL Can Test:Yes

Change-Id: Ib37fe3c0dcda9a510c3b9e313074e971bb0eff15