[PATCH V4 24/27] clocksource: add C-SKY SMP timer

This timer is used by SMP system and use mfcr/mtcr instruction to access the regs. Changelog: - Support csky mp timer alpha version. - Just use low-counter with 32bit width as clocksource. - Coding convention with upstream feed-back. Signed-off-by: Guo Ren ---

[PATCH V4 24/27] clocksource: add C-SKY SMP timer

This timer is used by SMP system and use mfcr/mtcr instruction to access the regs. Changelog: - Support csky mp timer alpha version. - Just use low-counter with 32bit width as clocksource. - Coding convention with upstream feed-back. Signed-off-by: Guo Ren ---