arm64: defconfig: drop GPIO_SYSFS on multiplatforms

The sysfs ABI to GPIO is marked obsolete and should not be
encouraged. Users should be encouraged to switch to using the
character device.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/configs/defconfig

@@ -265,7 +265,6 @@ CONFIG_PINCTRL_MSM8994=y
 CONFIG_PINCTRL_MSM8996=y
 CONFIG_PINCTRL_QDF2XXX=y
 CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
-CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_DWAPB=y
 CONFIG_GPIO_PL061=y
 CONFIG_GPIO_RCAR=y