Upgrade Buildroot to 2025.08.2 for GCC 13+ compatibility

Author: vtri950

Makefile

@@ -43,7 +43,7 @@ export GOTOOLCHAIN := go$(GO_VERSION)
 GO_K8S_VERSION_PREFIX ?= v1.35.0
 
 INSTALL_SIZE ?= $(shell du out/minikube-windows-amd64.exe | cut -f1)
-BUILDROOT_BRANCH ?= 2025.02
+BUILDROOT_BRANCH ?= 2025.08.2
 # the go version on the line below is for the ISO
 GOLANG_OPTIONS = GOWORK=off GO_VERSION=1.23.4 GO_HASH_FILE=$(PWD)/deploy/iso/minikube-iso/go.hash
 BUILDROOT_OPTIONS = BR2_EXTERNAL=../../deploy/iso/minikube-iso $(GOLANG_OPTIONS)

deploy/iso/minikube-iso/package/Config.in

@@ -5,6 +5,5 @@ menu "System tools"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/cni/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/automount/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/scheduled-stop/Config.in"
-    source "$BR2_EXTERNAL_MINIKUBE_PATH/package/podman/Config.in"
     source "$BR2_EXTERNAL_MINIKUBE_PATH/package/runc-master/Config.in"
 endmenu