3.9 config update for s390x

[Dan Horák]

- enable PCI
- disable few useless drivers
- disable drivers conflicting with s390x

diff --git a/config-s390x b/config-s390x
index c0ae0aa..99c16ef 100644
--- a/config-s390x
+++ b/config-s390x
@@ -260,6 +260,14 @@ CONFIG_HOTPLUG_PCI_S390=m
# CONFIG_GPIO_GENERIC_PLATFORM is not set
# CONFIG_GPIO_MCP23S08 is not set

-# CONFIG_PCI is not set
-# CONFIG_NET_VENDOR_MARVELL is not set
-# CONFIG_PTP_1588_CLOCK_PCH is not set
+# CONFIG_MEDIA_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_DRM is not set
+# CONFIG_SOUND is not set
+# CONFIG_DW_DMAC is not set
+# CONFIG_I2C_SMBUS is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+# CONFIG_I2C_PARPORT is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_NFORCE2 is not set