arm64: dts: hisilicon: hi3798cv200: Add missing dma-ranges

Reboot starts failing on Poplar since commit 8424ecd ("arm64: mm:
Set ZONE_DMA size based on devicetree's dma-ranges"), which effectively
changes zone_dma_bits from 30 to 32 for arm64 platforms that do not
properly define dma-ranges in device tree.  It's unclear how Poplar reboot
gets broken by this change exactly, but a dma-ranges limiting zone_dma to
the first 1 GB fixes the regression.

Fixes: 2f20182 ("arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board")
Cc: [email protected]
Signed-off-by: Shawn Guo <[email protected]>
Signed-off-by: Wei Xu <[email protected]>

Author: Shawn Guo

arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi

@@ -122,6 +122,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0xf0000000 0x10000000>;
+		dma-ranges = <0x0 0x0 0x0 0x40000000>;
 
 		crg: clock-reset-controller@8a22000 {
 			compatible = "hisilicon,hi3798cv200-crg", "syscon", "simple-mfd";