[OE-core] bring mipsel support (little endian mode)

[Phil Blundell]

On Wed, 2012-06-27 at 14:25 +0800, Dennis.Yxun wrote:
>    for mipsel we also have to filter out -march=mips32, previously we
> only handle mips (the big endian?)

Why isn't mipsel getting the mips overrides?  I believe it's meant to.
For what it's worth, mipsel (generically; I haven't tried qemu
specifically) does seem to work fine for me without this patch.

p.