mkknlimg: Find some more downstream-only strings

See: #1920

Signed-off-by: Phil Elwell <[email protected]>

Author: Phil Elwell

scripts/mkknlimg

@@ -68,7 +68,7 @@ if (! -r $kernel_file)
 
 my $wanted_strings =
 {
-	'bcm2708_fb' => FLAG_PI,
+	'bcm2708_fb' => FLAG_PI | FLAG_270X,
 	'brcm,bcm2835-mmc' => FLAG_PI,
 	'brcm,bcm2835-sdhost' => FLAG_PI,
 	'brcm,bcm2708-pinctrl' => FLAG_PI | FLAG_DTOK,
@@ -79,6 +79,7 @@ my $wanted_strings =
 	'brcm,bcm2836' => FLAG_PI | FLAG_DTOK | FLAG_283X,
 	'of_cfs_init' => FLAG_DTOK | FLAG_DDTK,
 	'vc_cma_init' => FLAG_PI | FLAG_270X,
+	'vc-mem' => FLAG_PI | FLAG_270X,
 };
 
 my $res = try_extract($kernel_file, $tmpfile1);