sparc64: types: use <asm-generic/int-*.h> for the sparc64 architecture

This modifies <asm-sparc64/types.h> to use the <asm-generic/int-*.h>
generic include files.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: David S. Miller <davem@davemloft.net>