[PATCH] fix compilation with -march=armv4 / no -mcpu and gas

[Tim Northover]

Hi Jeroen,

> Attached patch makes the strongarm the reference cpu for
> armv4 to resolve the problem. Also the default is updated,
> since the armv4 is more basic then armv4t.

I think that looks reasonable.

Not quite sure about defaulting to StrongARM rather than ARM7TDMI, but
that's probably a completely separate topic. Anyone who actually cares
should be specifying it manually anyway and v4 is probably no worse a
default than v4t.

Cheers.

Tim.