net: davinci_emac: cleanup unused cpdma code
net: davinci_emac: cleanup unused cpdma code

Having switched over to the newly introduced cpdma layer, this patch now
removes a whole bunch of code that is now unused.  This patch has been
maintained separate strictly for reasons of readability.

Signed-off-by: Cyril Chemparathy <367d233c448abb973a0136207eb0cf446765a6f5@ti.com>
Acked-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
Tested-by: Michael Williamson <06aa4020ece94d3ea8bdaca03e28eaba37f5c2e6@criticallink.com>
Tested-by: Caglar Akyuz <0a2747cbce0fdde1718400687c587ecd243c6fe1@gmail.com>
Signed-off-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@deeprootsystems.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs