Update notes for submitted changes

* cm.dependencies: refer only to msm7x27-common
Update notes for submitted changes

* galaxy5: add eng build to vendor setup
Update notes for submitted changes

* galaxy5: use separate recovery defconfig too
Update notes for submitted changes

* galaxy5: fstab: swap system and data partitions, 32MB zRAM size
Update notes for submitted changes

* Move BOARD_SWAP_SYSTEMDATA to device.mk