arch: arm: dts: fsl-ls1088a.dtsi: tag serial nodes with bootph-all

Tag the serial nodes with bootph-all in order to have these nodes and
the drivers available before relocation.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/fsl-ls1088a.dtsi b/arch/arm/dts/fsl-ls1088a.dtsi
index b094bcf..4782b83 100644
--- a/arch/arm/dts/fsl-ls1088a.dtsi
+++ b/arch/arm/dts/fsl-ls1088a.dtsi
@@ -64,6 +64,7 @@
 					    QORIQ_CLK_PLL_DIV(4)>;
 			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
+			bootph-all;
 		};
 
 		duart1: serial@21c0600 {
@@ -73,6 +74,7 @@
 					    QORIQ_CLK_PLL_DIV(4)>;
 			interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
+			bootph-all;
 		};
 	};