MIPS: Loongson1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB

This patch removes ARCH_WANT_OPTIONAL_GPIOLIB due to upstream changes.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Yang Ling <gnaygnil@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13855/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index af4eed3..4090830 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1430,7 +1430,6 @@
 	bool "Loongson 1C"
 	depends on SYS_HAS_CPU_LOONGSON1C
 	select CPU_LOONGSON1
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select LEDS_GPIO_REGISTER
 	help
 	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32