Added new board, oledboard2

miosix/_doc/textdoc/Changelog.txt

...exM4_stm32f4/stm32f429zi_oledboard2/core/stage_1_boot.cpp

...32f429zi_oledboard2/interfaces-impl/arch_registers_impl.h

...M4_stm32f4/stm32f429zi_oledboard2/interfaces-impl/bsp.cpp

...stm32f4/stm32f429zi_oledboard2/interfaces-impl/bsp_impl.h

...texM4_stm32f4/stm32f429zi_oledboard2/stm32_2m+256k_rom.ld

...rtexM4_stm32f4/stm32f429zi_oledboard2/stm32_2m+6m_xram.ld

...rtexM4_stm32f4/stm32f429zi_oledboard2/stm32_2m+8m_xram.ld

miosix/config/Makefile.inc

.../cortexM4_stm32f4/stm32f429zi_oledboard2/board_settings.h

miosix/config/miosix_settings.h

miosix_np_2/nbproject/configurations.xml

miosix_np_2/nbproject/private/configurations.xml