finish debug-sun6i.inc. NOT COMPILE
add -nostdlib in order to avoid the following error during link

prelink.o:(.ARM.exidx+0x0): undefined reference to `__aeabi_unwind_cpp_pr1'
prelink.o:(.ARM.exidx+0x20): undefined reference to `__aeabi_unwind_cpp_pr0'

but i still do not know why it not happen to other developers.
add debug-sun6i.inc in Rules.mk; ignore early_uart_ready temporary
modify the link addr. i should be define a macro
trying to fix memory map for register in hyper mode, NOT FINISH