arm64: a37xx: pci: Depends on DM_GPIO

For proper initialization of aardvark pci driver it is required to
de-assert reset GPIO. So depeneds on DM_GPIO option.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Andre Heider <a.heider@gmail.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index c19d09b..dd1cc65 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -30,6 +30,7 @@
 	bool "Enable Aardvark PCIe driver"
 	default n
 	depends on DM_PCI
+	depends on DM_GPIO
 	depends on ARMADA_3700
 	help
 	  Say Y here if you want to enable PCIe controller support on