Update to 4.0-rc1.
    
    - Eliminated 1 patch.
    - Xen needs updating.
    - ARM configs need updating.
    - Config changes:
      - General:
        - RCU_KTHREAD_PRIO = 0 for default; 1 for desktop
        - X86_INTEL_QUARK=y (32-bit only)
        - X86_AMD_PLATFORM_DEVICE=y
        - ZSMALLOC_STAT=n
        - DEVMEM=y
        - DUMMY_CONSOLE_COLUMNS=80
        - DUMMY_CONSOLE_ROWS=25
        - FS_DAX=y
        - PSTORE_PMSG=n
        - F2FS_IO_TRACE=n
        - NFSD_PNFS=y
        - GDB_SCRIPTS=n (only installs in build dir)
        - LIVEPATCH=y
        - TEST_HEXDUMP=n
        - CRYPTO_USER_API_RNG=m
        - BLK_DEV_RAM_DAX=y
        - PM_DEVFREQ_EVENT=y
        - VIRTIO_PCI_LEGACY=y
    
      - Networking:
        - IEEE802154_SOCKET=m
        - NET_ACT_BPF=m
        - NET_ACT_CONNMARK=m
        - BT_SELFTEST=n
    
      - Networking drivers:
        - IXGBE_VXLAN=y
        - AMD_XGBE=m
          - AMD_XGBE_DCB=y
    
      - Input:
        - MOUSE_PS2_FOCALTECH=y
        - HID_BETOP_FF=m
    
      - Other drivers, enabled as modules:
        - TCG_CRB
        - I2C_DESIGNWARE_BAYTRAIL
        - SPI_DLN2
        - USB_ISP1760
        - LEDS_CLASS_FLASH
        - FB_SM7XX
        - USB_GSPCA_TOUPTEK
        - SND_USB_POD
        - SND_USB_PODHD
        - SND_USB_TONEPORT
        - SND_USB_VARIAX
    
      - Disabled drivers:
        - RTC_DRV_DS1685_FAMILY (found on SGI O2/Octane hardware)
    
      - ACPI-discoverable sensors drivers, enabled as modules:
        - MMA9551
        - MMA9553
        - KMX61
        - JSA1212
        - SX9500
    
      - x86
        - DEBUG_IMR_SELFTEST=n
    
      - zSeries:
        - MARCH_Z900
        - TUNE_DEFAULT
        - SCHED_TOPOLOGY=y (renamed from SCHED_BOOK)
    
      - Device-tree dependent drivers, all disabled:
        - MTD_NAND_HISI504
        - TI_CPSW_ALE
        - INPUT_E3X0_BUTTON
        - INPUT_TPS65218_PWRBUTTON
        - SERIAL_CONEXANT_DIGICOLOR
        - TCG_TIS_I2C_ST33
        - GPIO_XILINX
        - BATTERY_GAUGE_LTC2941
        - POWER_RESET_RESTART
        - MFD_DA9150
        - MFD_RT5033
        - DRM_PANEL_SIMPLE
        - DRM_PANEL_LD9040
        - DRM_PANEL_S6E8AA0
        - DRM_PANEL_SHARP_LQ101R1SX01
        - MMC_SDHCI_F_SDH30
        - RTC_DRV_ABB5ZES3
        - FB_TFT
        - COMMON_CLK_CDCE706
        - ASM9260_TIMER
        - IOMMU_IO_PGTABLE_LPAE
        - CC10001_ADC
        - QCOM_SPMI_VADC
        - IIO_SSP_SENSORHUB
        - CM3232