DebugFS strings about pin pull status for no_keeper SoC are wrong

Fix this by adding a different string array for no_keeper SoC
Signed-off-by: NClément Péron <peron.clem@gmail.com>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>