sh: Move SH-4 CPU headers down one more level.

These accidentally got placed in to cpu-sh4 instead of cpu-sh4/cpu, push
them down one more level.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/include/cpu-sh4/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h
similarity index 100%
rename from arch/sh/include/cpu-sh4/sh7722.h
rename to arch/sh/include/cpu-sh4/cpu/sh7722.h

diff --git a/arch/sh/include/cpu-sh4/sh7723.h b/arch/sh/include/cpu-sh4/cpu/sh7723.h
similarity index 100%
rename from arch/sh/include/cpu-sh4/sh7723.h
rename to arch/sh/include/cpu-sh4/cpu/sh7723.h