Added linker script file for STM32F469xI Updated hal_lld.h and stm32_registry supporting STM32F469xx and SM32F479xx Added a demo for STM32F469 Discovery git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9277 35acf78f-673a-0410-8e92-d51de3d6d3f4