Change VerifyFirmware() to take separate pointers to firmware verification header and firmware data.

src/platform/vboot_reference/tests/firmware_splicing_tests.c

Index: src/platform/vboot_reference/tests/firmware_splicing_tests.c
diff --git a/src/platform/vboot_reference/tests/firmware_splicing_tests.c b/src/platform/vboot_reference/tests/firmware_splicing_tests.c
index c3259b7660fc3a619ba8f0a6fae34869364f408a..97d16dfcfd87b4841fc3c516ab740dc8924b910a 100644
--- a/src/platform/vboot_reference/tests/firmware_splicing_tests.c
+++ b/src/platform/vboot_reference/tests/firmware_splicing_tests.c
@@ -67,7 +67,7 @@ void VerifyFirmwareSplicingTest()
           VERIFY_FIRMWARE_SIGNATURE_FAILED,
           "FirmwareImage firmware_data Splicing");
   firmware_blob = GetFirmwareBlob(image2, &len);
-  TEST_EQ(VerifyFirmware(root_key_blob, firmware_blob),
+  TEST_EQ(VerifyFirmware(root_key_blob, firmware_blob, image2->firmware_data),
           VERIFY_FIRMWARE_SIGNATURE_FAILED,
           "Firmware Blob firmware_data Splicing");
 }