pinctrl: ingenic: Fix incorrect pull up/down info

Fix the pull up/down info for both the JZ4760 and JZ4770 SoCs, as the
previous values sometimes contradicted what's written in the programming
manual.

Fixes: b5c23aa4 ("pinctrl: add a pinctrl driver for the Ingenic jz47xx SoCs")
Cc: <stable@vger.kernel.org> # v4.12
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: 周琰杰 (Zhou <Yanjie)&lt;zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-1-paul@crapouillou.net


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>