[PATCH v2 0/3] bootwrapper: Add support for big.LITTLE models

This mostly boils down to initialising the Cache Coherent Interconnect (CCI). We do this by looking in the device-tree for a CCI node, that way the same semihosting bootwrapper binary can be used on both the big.LITTLE models and on the A15 models which don't have a CCI.

Changes sinces v1: - Added in-source comment to configure_from_fdt() - Reworded commit message for patch 2

[PATCH v2 1/3] bootwrapper: Allow for multiple clusters in boot CPU [PATCH v2 2/3] bootwrapper: Factor out parsing of fdt #address-cells [PATCH v2 3/3] bootwrapper: Initialise CCI device if found in the