arm64: dts: tqma8mqml: Include phy-imx8-pcie.h header

imx8mm-tqma8mqml.dtsi has PCIe support, so it should include
<dt-bindings/phy/phy-imx8-pcie.h>.

Otherwise, there are build errors when this SoM dtsi is included
on customers' carrier boards.

While at it, remove the PCI header from imx8mm-tqma8mqml-mba8mx.dts,
which is now unneeded.

Fixes: 1d842831 ("arm64: dts: tqma8mqml: add PCIe support")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts

@@ -5,7 +5,6 @@
 
 /dts-v1/;
 
-#include <dt-bindings/phy/phy-imx8-pcie.h>
 #include "imx8mm-tqma8mqml.dtsi"
 #include "mba8mx.dtsi"
 

arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi

@@ -3,6 +3,7 @@
  * Copyright 2020-2021 TQ-Systems GmbH
  */
 
+#include <dt-bindings/phy/phy-imx8-pcie.h>
 #include "imx8mm.dtsi"
 
 / {