Pull C6X changes from Mark Salter:
- remove use of legacy irqs which really wasn't needed
- add support for C66x SoC on EVMC6678 board
- clean up compiler warning
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
C6X: clean up compiler warning
C6X: add basic support for TMS320C6678 SoC
C6X: remove dependence on legacy IRQs
C6X: remove megamod-pic requirement on direct-mapped core pic