From: Milan Svoboda <msvoboda@ra.rockwell.com>

This patch deletes file udc.h in include/asm-arm/arch-pxa and
include/asm-arm/arch-ixp4xx
and creates the same file in include/asm-arm.

I'm not sure if this change is correct, but this header is same for
those two architectures
and it's used by pxa2xx_udc driver only. Do you have better ideas?

This patch is against 2.6.16.13 with previous patches applied.

Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
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