X86 only options and CONFIG_RANDOMIZE_BASE
X86 only options and CONFIG_RANDOMIZE_BASE

 * Put x86 only options under its own x86 section.
 * add CONFIG_RANDOMIZE_BASE check.

Signed-off-by: Philippe De Swert <24f3ca4ad20fb8d7f8698e5ac6e2304d48abcaf5@jollamobile.com>

N8Fear/checksec.sh