Update the architecture API: architecture help is mandatory.
Update all architectures (some with pointer to the specs, when available).

/trunk/docs/overview.txt | 8 8 0 0 ++++++++
/trunk/arch/arm/config.in | 3 3 0 0 +++
/trunk/arch/powerpc/config.in | 3 3 0 0 +++
/trunk/arch/ia64/config.in | 3 3 0 0 +++
/trunk/arch/alpha/config.in | 2 2 0 0 ++
/trunk/arch/x86/config.in | 3 3 0 0 +++
/trunk/arch/mips/config.in | 3 3 0 0 +++
/trunk/arch/sh/config.in | 3 3 0 0 +++
/trunk/arch/x86_64/config.in | 3 3 0 0 +++
9 files changed, 31 insertions(+)

 # MIPS specific config options

 config ARCH_mips

     select ARCH_SUPPORTS_BOTH_ENDIAN

     select ARCH_DEFAULT_BE

     help

       The MIPS architecture, as defined by:

         http://www.mips.com/