Docs: Structure - 'include' folder renaming etc

Added SPM support layer implemented by CMSIS to hold the support
layer between SPM and actual platform since CMSIS is the first
implementation base for SPM. Also, collect library model
implementation into 'secure_fw/spm/func_cmsis'.

Change-Id: I8dff1cc60f7431e0f0434d044f4efb2a2e1ee9d3
Signed-off-by: Ken Liu <ken.liu@arm.com>
1 file changed