add Debian 11 armhf

platforms.json

@@ -107,6 +107,21 @@
       },
       "ppa_filters": ["ubuntu23.04"]
     },
+    "Debian 11 armhf": {
+      "enabled": true,
+      "codename": "bullseye",
+      "docker_dir": "linux_cross",
+      "docker_image": "debian11_armhf",
+      "docker_build_options": {
+        "image_from": "debian:bullseye-slim",
+        "image_prepare_script": "install_apt.sh",
+        "arch": "armhf",
+        "toolchain": "g++-arm-linux-gnueabihf",
+        "triplet": "arm-linux-gnueabihf"
+      },
+      "cmake_toolchain": "/soft/toolchain.cmake",
+      "ppa_filters": ["debian11"]
+    },
     "Debian 11 arm64": {
       "enabled": true,
       "codename": "bullseye",