buildcheck: reduce DEBUG_INFO noise from reference* scripts

From: Randy Dunlap <rddunlap@osdl.org>

Reduce noise in 'make buildcheck' that is caused by CONFIG_DEBUG_INFO=y.

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/reference_init.pl b/scripts/reference_init.pl
index 9a24084..7f6960b 100644
--- a/scripts/reference_init.pl
+++ b/scripts/reference_init.pl
@@ -98,6 +98,7 @@
 		     $from !~ /\.pdr$/ &&
 		     $from !~ /\__param$/ &&
 		     $from !~ /\.altinstructions/ &&
+		     $from !~ /\.eh_frame/ &&
 		     $from !~ /\.debug_/)) {
 			printf("Error: %s %s refers to %s\n", $object, $from, $line);
 		}