sparc: fix sparse warnings in cpu_*.c

o declare variables from cpu_*.c
o declare function from cpu_32.c

To do this introduce a new header "kernel.h" which is local to kernel/

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
6 files changed