objtool: Read special sections with alts only when specific options are selected

Call add_special_section_alts() only when stackval or orc or uaccess or
noinstr options are passed to objtool.

Tested-by: Naveen N. Rao <[e-mail]>
Reviewed-by: Naveen N. Rao <[e-mail]>
Reviewed-by: Christophe Leroy <[e-mail]>
Acked-by: Josh Poimboeuf <[e-mail]>
Signed-off-by: Sathvika Vasireddy <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

tools/objtool/check.c

···
 	 * Must be before add_jump_destinations(), which depends on 'func'
 	 * being set for alternatives, to enable proper sibling call detection.
 	 */
-	ret = add_special_section_alts(file);
-	if (ret)
-		return ret;
+	if (opts.stackval || opts.orc || opts.uaccess || opts.noinstr) {
+		ret = add_special_section_alts(file);
+		if (ret)
+			return ret;
+	}
 
 	ret = add_jump_destinations(file);
 	if (ret)