objtool: Simplify .annotate_insn code generation output some more

objtool: Simplify .annotate_insn code generation output some more

Remove the superfluous section name quotes, and combine the longs into a
single command.

Before:

  911: .pushsection ".discard.annotate_insn", "M", @progbits, 8; .long 911b - .; .long 2; .popsection

After:

  911: .pushsection .discard.annotate_insn, "M", @progbits, 8; .long 911b - ., 2; .popsection

No change in functionality.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/hpsfcihgqmhcdrg7pop7z73ptymakgjq7qlxrawrjxilosk43l@xikqif3ievj4