gpio: dwapb: enable for Quark

The Intel Quark SoC contains the DW GPIO on board. While fixing the build error the commit 1972c97db5b0 (gpio: dwapb: fix compile errors) disables the possibility to build the driver on X86, i.e. Intel Quark.

The patch reenables it for Intel Quark as well.

Since we have Intel Quark SoC introduced in 4.0-rc1 I would like to make this fix available there as well, though the actual MFD driver [1] is applied only for next version.

[1] https://lkml.org/lkml/2015/2/1/217

---
Changelog v3:
- rebase on top of commit b90f8f22ed86
Changelog v2:
- fix typo of parens location

 drivers/gpio/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

index 7ca0de3..48c9bae 100644
@@ -148,8 +148,7 @@ config GPIO_GENERIC_PLATFORM
 
 config GPIO_DWAPB
 	tristate "Synopsys DesignWare APB GPIO driver"
-	depends on ARM || ARM64
-	depends on OF_GPIO
+	depends on ((ARM || ARM64) && OF_GPIO) || X86_INTEL_QUARK
 	select GPIO_GENERIC
 	select GENERIC_IRQ_CHIP
 	help

2.1.4