[PATCH v3 RESEND] x86/tools: fix objdump version check again

[Randy Dunlap <rdunlap@infradead.org>]

Skip (omit) any version string info that is parenthesized.

Warning: objdump version 15) is older than 2.19
Warning: Skipping posttest.

where 'objdump -v' says:
GNU objdump (GNU Binutils; SUSE Linux Enterprise 15) 2.35.1.20201123-7.18

Fixes: 8bee738bb1979 ("x86: Fix objdump version check in chkobjdump.awk for different formats.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Borislav Petkov <bp@alien8.de>
---
v3: rebase & resend
    correct Ingo's email address (not @elte.hu)
    add x86@kernel.org email address
    add BP's email address

 arch/x86/tools/chkobjdump.awk |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20210715.orig/arch/x86/tools/chkobjdump.awk
+++ linux-next-20210715/arch/x86/tools/chkobjdump.awk
@@ -10,6 +10,7 @@ BEGIN {
 
 /^GNU objdump/ {
 	verstr = ""
+	gsub(/\(.*\)/, "");
 	for (i = 3; i <= NF; i++)
 		if (match($(i), "^[0-9]")) {
 			verstr = $(i);