power/supply: Expose USB connector temperature

[ALM:11027108] [FP4]:add USB connector temperature node to mmitest
 &&&%%%comment:[FP4]:create FP4 DTS
 &&&%%%bug number:11027108
 &&&%%%product name:sm7225_r_fp4
 &&&%%%root cause:Specification
 &&&%%%Bug category:T2M
 &&&%%%Module_Impact:kernel
 &&&%%%Test_Suggestion:test mmitest USB NTC value
 &&&%%%Solution:add USB connector temerture node
 &&&%%%Test_Report:test is ok
 &&&%%%VAL Can Test:NO