[lld] [llvm] [llvm-readelf] Print a blank line before the first hex/string dump (PR #85744)

[Fangrui Song via llvm-commits]

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@@ -23,7 +23,9 @@
 # RUN: llvm-readelf -hp1 -p2 %t | cmp %t.readelf.out -
 # RUN: llvm-readelf -hp 1 -p.not_null_terminated %t | cmp %t.readelf.out -
 
-# CHECK:      String dump of section '.strings':
+# HEADER:     LoadName:
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MaskRay wrote:

llvm-readobj -x .a -x .b prints two blank lines before the first Hex dump of section.
We have to test `LoadName:` to skip the first blank line (not due to hex/string dump).

https://github.com/llvm/llvm-project/pull/85744