arm64: dts: qcom: sdm845: Fix the BAM DMA engine compatible string

As per documentation, Qualcomm SDM845 SoC supports BAM DMA
engine v1.7.4, so use the correct compatible strings.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230321190118.3327360-2-bhupesh.sharma@linaro.org