ARM: imx_v6_v7_defconfig: rebuild default configuration

Run "make imx_v6_v7_defconfig; make savedefconfig" to rebuild
imx_v6_v7_defconfig.

This dropped the following nowadays obsolete configuration options:

CONFIG_MTD_M25P80=y (got integrated into MTD_SPI_NOR)
CONFIG_CS89x0=y (selected by CS89x0_PLATFORM)
CONFIG_SMSC_PHY=y (selected by USB_NET_SMSC95XX)
CONFIG_GPIO_MC9S08DZ60=y (depends on MACH_MX35_3DS)
CONFIG_REGULATOR=y (selected by various stuff)
CONFIG_MEDIA_CAMERA_SUPPORT=y (defaults to on if MEDIA_CAMERA)
CONFIG_MEDIA_CONTROLLER=y (selected by various stuff)
CONFIG_VIDEO_V4L2_SUBDEV_API=y (selected by various stuff)
CONFIG_SND_SOC_PHYCORE_AC97=y
CONFIG_SND_SOC_IMX_MC13783=y
CONFIG_USB_EHCI_MXC=y
CONFIG_USB_FSL_USB2=y

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>