arm64: dts: qcom: sc7280-idp: Enable GPI DMAs

Some versions of the firmware for the sc7280-idp  board FIFO mode
disabled and must thus use GPI DMA. Enable gpi_dma0 and gpi_dma1 to
allow this.

Co-developed-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220421115526.1828659-3-vkoul@kernel.org