added missing sunxi_disp_ioctl.h
fix for ofGetTargetPlatform on armv7
Merge pull request #5 from fieldOfView/sunxi_disp_ioctl

added missing sunxi_disp_ioctl.h
Merge pull request #7 from fieldOfView/ofGetTargetPlatform_armv7

fix for ofGetTargetPlatform on armv7