Merge target/arm/as3525/as3525-codec.h into target/arm/ascodec-target.h

The AMS Sansa use the same AS3514 registers (except USB_UTIL which was added)
Use the register defines in AMS Sansa code instead of hardcoded values

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19073 a1c6a512-1295-4272-9138-f99709370657
7 files changed