arm64: defconfig: updates for 4.1

Enable a few useful options in our defconfig:

  - New platform support (exynos7, seattle, tegra132)
  - SKY2 (ethernet in newer revisions of Juno)
  - Xgene reboot support
  - Virtio-pci for kvmtool and qemu
  - EFIVAR_FS (previously selected as a module)
  - NFSv4
Signed-off-by: NWill Deacon <will.deacon@arm.com>

arch/arm64/configs/defconfig

@@ -31,8 +31,12 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_ARCH_EXYNOS7=y
 CONFIG_ARCH_FSL_LS2085A=y
 CONFIG_ARCH_MEDIATEK=y
+CONFIG_ARCH_SEATTLE=y
+CONFIG_ARCH_TEGRA=y
+CONFIG_ARCH_TEGRA_132_SOC=y
 CONFIG_ARCH_THUNDER=y
 CONFIG_ARCH_VEXPRESS=y
 CONFIG_ARCH_XGENE=y
@@ -62,6 +66,7 @@ CONFIG_BPF_JIT=y
 # CONFIG_WIRELESS is not set
 CONFIG_NET_9P=y
 CONFIG_NET_9P_VIRTIO=y
+# CONFIG_TEGRA_AHB is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
@@ -81,6 +86,7 @@ CONFIG_NETDEVICES=y
 CONFIG_TUN=y
 CONFIG_VIRTIO_NET=y
 CONFIG_NET_XGENE=y
+CONFIG_SKY2=y
 CONFIG_SMC91X=y
 CONFIG_SMSC911X=y
 # CONFIG_WLAN is not set
@@ -100,6 +106,8 @@ CONFIG_SPI=y
 CONFIG_SPI_PL022=y
 CONFIG_GPIO_PL061=y
 CONFIG_GPIO_XGENE=y
+CONFIG_POWER_RESET_XGENE=y
+CONFIG_POWER_RESET_SYSCON=y
 # CONFIG_HWMON is not set
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
@@ -112,10 +120,10 @@ CONFIG_LOGO=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
-CONFIG_USB_ISP1760_HCD=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_HCD_PLATFORM=y
 CONFIG_USB_STORAGE=y
+CONFIG_USB_ISP1760=y
 CONFIG_USB_ULPI=y
 CONFIG_MMC=y
 CONFIG_MMC_ARMMMCI=y
@@ -125,6 +133,7 @@ CONFIG_MMC_SPI=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
 CONFIG_RTC_DRV_XGENE=y
+CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y
 CONFIG_VIRTIO_MMIO=y
 # CONFIG_IOMMU_SUPPORT is not set
@@ -143,8 +152,10 @@ CONFIG_CUSE=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
+CONFIG_EFIVAR_FS=y
 # CONFIG_MISC_FILESYSTEMS is not set
 CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
 CONFIG_ROOT_NFS=y
 CONFIG_9P_FS=y
 CONFIG_NLS_CODEPAGE_437=y
@@ -159,7 +170,6 @@ CONFIG_LOCKUP_DETECTOR=y
 # CONFIG_SCHED_DEBUG is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_FTRACE is not set
-CONFIG_KEYS=y
 CONFIG_SECURITY=y
 CONFIG_CRYPTO_ANSI_CPRNG=y
 CONFIG_ARM64_CRYPTO=y