linux-yocto/cfg: qemuarm64-gfx.cfg: add CONFIG_INPUT_UINPUT

linux-yocto/cfg: qemuarm64-gfx.cfg: add CONFIG_INPUT_UINPUT

Integrating the following commit(s):

    qemuarm64-gfx.cfg: add CONFIG_INPUT_UINPUT

    This will address libinput ptest failures:
    https://www.kernel.org/doc/html/latest/input/uinput.html
    https://wayland.freedesktop.org/libinput/doc/latest/test-suite.html

    qemux86_64 already has it enabled.

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