767a0a1 Change BR to work on arm64

Authored and Committed by zbyszek 7 years ago
    Change BR to work on arm64
    
    ppc64* have no mono-devel. arm64 has it, but it's missing the binary
    we want. So require the package instead of the binary. The test
    will not be performed, but we don't have to conditionalize on
    arm64.
    
        
file modified
+1 -2