[x86] Add pciutils project as libpci is required by powertop on x86

This commit add pciutils to the default manifest which fulfills
powertop's libpci requirement when the TARGET_ARCH=x86

The project can be forked from the github repo

repository : https://github.com/trevd/android_external_pciutils.git
branch: cm-10.2

Change-Id: Ib8ff3e5927f5221a842afc0dcf8ef40eac42290a
Merge branch 'cm-10.2' of github.com:CyanogenMod/android into cm-10.2