[llvm] [llvm-objcopy] Add --gap-fill and --pad-to options (PR #65815)

[via llvm-commits]

================
@@ -44,10 +37,10 @@
 # DEFAULT-NEXT: 000080 00 00 89 ab cd ef
 # DEFAULT-NEXT: 000086
 
-# Test gap fill with all allocatable output sections
+## Test gap fill with all allocatable output sections
----------------
quic-akaryaki wrote:

Done.

https://github.com/llvm/llvm-project/pull/65815