phyFLEX are SoMs based on the FPSC standard. Add additional "SOM types" for the phyFLEX modules base on the FPSC Gamma specification. These modules come in four different variants; prototypes (PT), standard product (SP), KSP (KP) and KSM (KM). Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Reviewed-by: Teresa Remmet <t.remmet@phytec.de> Tested-by: Dominik Haller <d.haller@phytec.de>