[RFC] arm: add __initbss section attribute

[Sam Ravnborg]

> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
>  
> -#define BSS_SECTION(sbss_align, bss_align, stop_align)			\
> +#define BSS_SECTION(sbss_align, bss_align, initbss_align, stop_align)			\

A few comments:

1) - please align the backslash at the end of the
     line with the backslash above it.
2) - you need to fix all the remaining users of BSS_SECTION.
3) - do we really need the flexibility to specify an alignment (stop_align)?
        If not - drop the extra argument.

	Sam