[UPSTREAM V6.6] arm64: tegra: Enable UARTA and UARTE for Orin Nano

Activate UARTA and UARTE functionalities for Orin Nano.

- UARTA is accessible via the 40-pin header with pin 8 and 10 (TX/RX)
- UARTE utilizes the M2.E connector

Bug 4148340

Signed-off-by: Gautham Srinivasan <gauthams@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
(cherry picked from mainline commit 96ff27cecbc9dec9858786228c351341372b482f)

Change-Id: Iffce03a6a159d7909fb711e56344c00cc63ac96a
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3019985
(cherry picked from commit 6084ef986a)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3020146
Tested-by: Gautham Srinivasan <gauthams@nvidia.com>
Reviewed-by: Gautham Srinivasan <gauthams@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

tegra234-p3768-0000+p3767-0000.dts

@@ -13,6 +13,8 @@
 
 	aliases {
 		serial0 = &tcu;
+		serial1 = &uarta;
+		serial2 = &uarte;
 	};
 
 	chosen {
@@ -20,6 +22,18 @@
 	};
 
 	bus@0 {
+		serial@3100000 {
+			compatible = "nvidia,tegra194-hsuart";
+			reset-names = "serial";
+			status = "okay";
+		};
+
+		serial@3140000 {
+			compatible = "nvidia,tegra194-hsuart";
+			reset-names = "serial";
+			status = "okay";
+		};
+
 		serial@31d0000 {
 			status = "okay";
 		};