pinctrl: zynqmp: drop excess struct member description

pinctrl: zynqmp: drop excess struct member description

[ Upstream commit 2a85fc7044987d751f27d7f1e4423eebbcecc2c6 ]

The 'node' member has never been part of this structure so drop its
description.

Fixes: 8b242ca700f8 ("pinctrl: Add Xilinx ZynqMP pinctrl driver support")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20241010080432.7781-1-brgl@bgdev.pl
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>