u-boot-bb.org: Add a tick-timer for PocketBeagle

Add a chosen tick-timer in version 2025.10 to boot on PocketBeagle.

Fixes:

CPU  : AM335X-GP rev 2.1
Model: TI AM335x PocketBeagle
DRAM:  512 MiB
Core:  155 devices, 16 uclasses, devicetree: separate
Could not initialize timer (err -19)

The patch is based on the following related discussions:

- arm: dts: am335x-*-u-boot: Add chosen tick-timer
https://lists.denx.de/pipermail/u-boot/2026-January/608684.html

- pocketbeagle stuck in boot loop with timer error
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269124

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Ryan Eatmon <reatmon@ti.com>

meta-beagle/recipes-bsp/u-boot/u-boot-bb.org-2025.10+git/0001-arm-dts-am335x-pocketbeagle-Add-tick-timer.patch

@@ -0,0 +1,28 @@
+From 55ee5fecd68d0858ba6743137162252adedf2f72 Mon Sep 17 00:00:00 2001
+From: Leon Anavi <leon.anavi@konsulko.com>
+Date: Mon, 16 Mar 2026 18:34:58 +0000
+Subject: [PATCH] arm: dts: am335x-pocketbeagle: Add tick-timer
+
+Add a binding for the tick-timer for PocketBeagle.
+
+Upstream-Status: Pending [https://lists.denx.de/pipermail/u-boot/2026-January/608684.html]
+
+Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
+---
+ arch/arm/dts/am335x-pocketbeagle.dts | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/arch/arm/dts/am335x-pocketbeagle.dts b/arch/arm/dts/am335x-pocketbeagle.dts
+index b379e3a5570..02e3aac5606 100644
+--- a/arch/arm/dts/am335x-pocketbeagle.dts
++++ b/arch/arm/dts/am335x-pocketbeagle.dts
+@@ -15,6 +15,7 @@
+
+	chosen {
+		stdout-path = &uart0;
++		tick-timer = &timer2;
+	};
+
+	leds {
+--
+2.53.0

meta-beagle/recipes-bsp/u-boot/u-boot-bb.org_2025.10.bb

@@ -17,3 +17,4 @@ SRCREV:pocketbeagle2 = "4e0b6294a1185029d34eff6ed91f3ad1734b643f"
 SRCREV:pocketbeagle2-k3r5 = "4e0b6294a1185029d34eff6ed91f3ad1734b643f"
 
 SRC_URI:append:pocketbeagle2 = " file://bootcmd-ti-mmc.cfg"
+SRC_URI:append:beaglebone = " file://0001-arm-dts-am335x-pocketbeagle-Add-tick-timer.patch"