initramfs-firmware-image: remove dspso packages
initramfs-firmware-image: remove dspso packages

There is little sense in packaging dspso firmware images into the
initramfs. In case they are needed, boot scripts will fallback to
mounting the dspso partition.

Signed-off-by: Dmitry Baryshkov <2dcd7ecf02101ef1dca344c0511f3ffb180907c2@linaro.org>

ndechesne/meta-qcom,ndechesne/meta-qcom,ndechesne/meta-qcom