x86, intel-mid: Add missing 'void' to functions without arguments

This patch adds missing 'void' to functions that doesn't receive
arguments.

Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Link: http://lkml.kernel.org/r/1390429369-13761-1-git-send-email-david.a.cohen@linux.intel.com


Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>