msm8660: for TARGET_CPU_VARIANT, change generic->cortex-a8

  * now that http://review.cyanogenmod.org/#/c/46133/ has been merged,
    cortex-a8 is supported

Change-Id: I43383d7ba1823cc859a150fd7b49718b25f94c67
msm8660: update storage configuration for 4.3

  * combine vold, recovery and fstab into single 4.3-style fstab
  * move storage configuration from celox/quincy into msm8660 since
    they were almost identical

Change-Id: I5752da62c937c87851c4c3f313b26d1a9dde796e
Merge branch 'cm-10.2' of github.com:CyanogenMod/android_device_samsung_msm8660-common into HEAD