This patch adds the qcom,controlled-remotely property for the blsp2_bam
controller node.  This board requires this, otherwise the board fails to
boot due to access of protected registers during BAM initialization.

Fixes: 62bc8179 dts: msm8974: Add blsp2_bam dma node
Signed-off-by: NAndy Gross <andy.gross@linaro.org>
Acked-by: NBjorn Andersson <bjorn.andersson@linaro.org>