SoC s6: gpio: fix compile error [1/1]

PD#SWPL-156468

Problem:
compile error with undefined gpio

Solution:
add fake macro

Verify:
locall build

Change-Id: Ibe72fdf98589a9882f026611a7c5fdc962108e88
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
1 file changed