platform: msm_shared: Add verified boot hash support

Compute the digest over all vbmeta's
present on device and provide the digest
to keymaster. This digest is provided as
part of the keymaster attestation certificate.

Change-Id: I183793a6aa229441ef2eeced42e455d2c7a6de69
diff --git a/platform/msm_shared/include/boot_verifier.h b/platform/msm_shared/include/boot_verifier.h
index 9bf34b6..5525a7a 100644
--- a/platform/msm_shared/include/boot_verifier.h
+++ b/platform/msm_shared/include/boot_verifier.h
@@ -183,4 +183,6 @@
 		unsigned int image_size, unsigned char *signature_ptr, RSA *rsa);
 KEYSTORE *boot_gerity_get_oem_keystore();
 uint32_t read_der_message_length(unsigned char* input, unsigned sz);
+/* Function to set verified boot hash in keymaster */
+int set_verified_boot_hash (const char *vbh, size_t vbh_size);
 #endif