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

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

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: William L. Irwin <wli@holomorphy.com>
Signed-off-by: David S. Miller <davem@davemloft.net>