arm64: dts: imx8qm: Align edma3 power-domains resources indentation

<&pd IMX_SC_R_DMA_1_CH*> is now properly aligned with the previous line
for improved code readability.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>