extcon: of: Remove unnecessary function call by using the name of device_node
extcon: of: Remove unnecessary function call by using the name of device_node

This patch remove unnecessary function call in of_extcon_get_extcon_dev()
by using the name of device_node structure.

Signed-off-by: Chanwoo Choi <42eed19c0f56a8d487deac90c6d19d6364b7ba73@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs