linux-yocto/5.10/cfg: x86 and beaglebone config fixes

Integrating the following commit(s) to the linux-yocto config:

    47c7a3148a4 soc/skylake: remove CONFIG_SND_SOC_INTEL_SST_ACPI
    8124c015448 features/security: remove CONFIG_REFCOUNT_FULL
    7073e149653 media-usb-tv: remove CONFIG_VIDEO_USBVISION
    4480a5c5784 beaglebone: Drop the obsolete CONFIG_BACKLIGHT_GENERIC

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>