config: armv7hl: Update configs for 3.16-rc3
    
    * Samsung Exynos is now in default flavor, drop exynos flavor
    * Enable Freescale/Xilinx for default flavor only
    * Enable Qualcomm/LSI for both default and lpae flavors
    * Enable Allwinner A20+ in lpae flavor, A10+ in default flavor
    * Enable Hisilicon Hi3xxx in default flavor
    * Enable Renesas RZ/A in default flavor
    * Enable big.LITTLE switcher module
    * Enable PCI for Freescale/Marvell/Nvidia/Samsung
      but keep device drivers to minimum, as known boards are mini PCIe only
    * Build in some more serial drivers for console use
    * Enable some missing USB media device driver modules
    * Disable OMAP4 V4L as it cannot be built as module (Matwey K.)
    
    Signed-off-by: Andreas Färber <afaerber@suse.de>