fix CheckCompatibility for newer kernel

on newer kernel (3.10.30),
 cat  /sys/class/graphics/fb0/device/modalias returns "platform:mxc_sdc_fb.28"
fix CheckCompatibility for newer kernel (try2)

Use "mxc_sdc_fb" instead of "mxc" as requested by Chris
Merge pull request #27 from tomlohave/master

fix CheckCompatibility for newer kernel