arm:config: modify ARCH_HIX5HD2 kconfig to support gpio controller
1) add GPIO_PL061 && CONFIG_GPIO_SYSFS
2) delete PINCTRL && PINCTRL_SINGLE

Signed-off-by: Jiancheng Xue <xuejiancheng@huawei.com>
arm:dts: hix5hd2 add gpio device nodes

hix5hd2 add gpio device nodes

Signed-off-by: Jiancheng Xue <xuejiancheng@huawei.com>