update lvgl simulator on ubuntu

lv_sim_linux/lvgl/scripts/install_astyle.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Check if the script is being run as root
+if [ "$(id -u)" -ne 0 ]; then
+  echo "This script must be run as root or with sudo" >&2
+  exit 1
+fi
+
+rm -rf astyle
+git clone https://github.com/lvgl/astyle.git
+cd astyle/build/gcc
+git checkout v3.4.12
+make -j
+make install
+cd ../../..
+rm -rf astyle