bump U-Boot

Author: Andrej Rosano

Makefile

@@ -10,7 +10,7 @@ BUILD_HOST?=usbarmory
 LINUX_VER=6.6.36
 LINUX_VER_MAJOR=${shell echo ${LINUX_VER} | cut -d '.' -f1,2}
 LOCALVERSION=-0
-UBOOT_VER=2024.04
+UBOOT_VER=2024.07
 ARMORYCTL_VER=1.2
 CRUCIBLE_VER=2023.11.02
 APT_GPG_KEY=CEADE0CF01939B21