(defendant, county officials, required plaintiff to obtain a special use permit (SUP) to hold Hispanic rodeos at his farm while, according to plaintiff, not requiring similarly situated parties from doing the same; plaintiff alleges such disparate treatment violates his Fourteenth Amendment equal protection rights; defendant obtained permanent injunction which barred plaintiff from holding certain gatherings on his farm that required an SUP; plaintiff failed to show any similarly situated persons were treated differently; defendant entitled to summary judgment and action dismissed with prejudice).