pinctrl: mediatek: remove shadow variable declaration

[ Upstream commit d1f7af4b

 ]

Remove shadow declaration of variable 'pullup' in mtk_pinconf_get()

Signed-off-by: Light Hsieh <light.hsieh@mediatek.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Link: https://lore.kernel.org/r/1586255632-27528-1-git-send-email-light.hsieh@mediatek.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Stable-dep-of: c5d3b64c

 ("pinctrl: mediatek: paris: Rework support for PIN_CONFIG_{INPUT,OUTPUT}_ENABLE")
Signed-off-by: Sasha Levin <sashal@kernel.org>