Correct length parameter for NXP_CORE_CONF_EXTN

Bug: 38489081
Test: Tag reading, HCE
Change-Id: Ifeccd6c502064f883f0f54c38727567163fde2cf
(cherry picked from commit a313b7f0e4c3500e471f237d9c04f0eacc52ccd6)
1 file changed