modified: flight/pios/stm32f4xx/library.mk
new file: flight/pios/stm32f4xx/link_STM32F4xx_RQ_bl_memory.ld
new file: flight/pios/stm32f4xx/link_STM32F4xx_RQ_fw_memory.ld
new file: flight/pios/stm32f4xx/link_STM32F4xx_RQ_sections.ld
new file: flight/pios/stm32f4xx/link_STM32F4xx_RQ_sections_compat.ld
modified: flight/pios/stm32f4xx/pios_bl_helper.c
modified: flight/pios/stm32f4xx/pios_flash_internal.c
modified: flight/pios/stm32f4xx/pios_sys.c
-Fixed casing for PIOS_BL_HELPER_FLASH_ERASE_BOOTLOADER
-fixed wrong condition in f1 bl_helper
-other cosmetic changes and use of stdbool in f1 pios_bl_helper
-remove now unused macros
+review OPReview-456