[lld] [lld][ARM] Fix assertion when mixing ARM and Thumb objects (PR #101985)

[Oliver Stannard via llvm-commits]

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@@ -1886,6 +1887,14 @@ static void setConfigs(opt::InputArgList &args) {
   }
 }
 
+// Initialise config options which depend on information previously parsed from
+// input files, such as Arm build attributes.
+static void setConfigsPostParse() {
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ostannard wrote:

Done.

https://github.com/llvm/llvm-project/pull/101985