x86/microcode/intel: Get rid of DWSIZE

sizeof(u32) is perfectly clear as it is.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1457345404-28884-3-git-send-email-bp@alien8.de


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>