[lld] [lld] select a default eflags for hexagon (PR #108431)

[Fangrui Song via llvm-commits]

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@@ -60,17 +60,17 @@ Hexagon::Hexagon() {
 }
 
 uint32_t Hexagon::calcEFlags() const {
-  assert(!ctx.objectFiles.empty());
+  static const uint32_t DEFAULT_ARCH_REV = 0x60;
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MaskRay wrote:

The variable name does not follow  the convention. Since this variable is only used once, you can inline it and add a comment.

https://github.com/llvm/llvm-project/pull/108431