x86: threadinfo: common include files

Move shared includes to a common area in thread_info.h

Adds asm/types.h for x86_64 and linux/compiler.h for x86_32. Not needed but
we can avoid some ifdeffing and it simplifies later joining.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>