Update Allwinner SoC names in documentation
Update Allwinner SoC names in documentation

Provide the friendly marketing names, not just the platform name.

Signed-off-by: Samuel Holland <c16aab9fe3288df0fb8fc1d24990a300b6b8f299@sholland.org>
Change-Id: Id4427abb73d0c1be4ac1709b2a8e87beffc20dd5

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware