* bb: dynamic build
* binutils/gcc: +CPU_CFG
+ target: arm-cortexA8 (AllWinnder A10 compatible)
* some endlines in .mk

Signed-off-by: Dmitry Ponyatov <dponyatov@gmail.com>
* emu: HW_QEMU_EXTRA
* binutils/gcc: cortex-A8 options

Signed-off-by: Dmitry Ponyatov <dponyatov@gmail.com>