Skip bkpcabal01 test on GHC 8.2.2 due to #4908

Also tweaks testcase's .cabal metadata

cabal-testsuite/PackageTests/Backpack/bkpcabal01/bkpcabal01.cabal

+cabal-version:       2.0
 name:                bkpcabal01
 version:             0.1.0.0
+description:         This test also exists in GHC's test-suite under the same name
+                     and was ported over to cabal's testsuite as it exposed a
+                     regression (see #5929)
 license:             BSD3
 author:              Edward Z. Yang
 maintainer:          ezyang@cs.stanford.edu
 build-type:          Simple
-cabal-version:       >=1.25
 
 library impl
   exposed-modules: H, I

cabal-testsuite/PackageTests/Backpack/bkpcabal01/cabal.test.hs

 import Test.Cabal.Prelude
 main = cabalTest $ do
-    skipUnless =<< ghcVersionIs (>= mkVersion [8,2])
+    -- GHC 8.2.2 had a regression ("unknown package: hole"), see also #4908
+    skipUnless =<< ghcVersionIs (\v -> v >= mkVersion [8,2] && v /= mkVersion [8,2,2])
     cabal "v2-build" ["all"]