qrb5165-rb5: enable firmware package
qrb5165-rb5: enable firmware package

Add firmware package to RRECOMMENDS so it is pulled if firmware files
are provided at the build time.

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

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