cryptfs_hw: Support devices use metadata as keyHEADp9.0

* This fixes FDE devices which uses metadata partition as encryption key.
Errors:
> Logcat:
E Cryptfs_hw: Error::ioctl call to create encryption key for usage 1 failed with ret = -1, errno = 14
> Dmesg:
scm_call failed: func id 0x72000504, ret: -2, syscall returns: 0xfffffffffffffffc, 0x0, 0x0
QSEECOM: __qseecom_set_clear_ce_key: scm call to set QSEOS_PIPE_ENC key failed : -22
QSEECOM: qseecom_wipe_key: Failed to wipe key: pipe 2, ce 0: -14
QSEECOM: qseecom_ioctl: failed to wipe encryption key: -14

Test: Boot griffin with encrypted data
Signed-off-by: Erfan Abdi <erfangplus@gmail.com>
Change-Id: Id7a6474fe7fe46e0d4e4ebb3b24e1ba940971df4

1 files changed, 3 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 31884bd..0326eca 100644
--- a/Android.bp
+++ b/Android.bp
@@ -24,6 +24,9 @@ cc_library_shared {
             supports_legacy_hw_fde: {
                 cflags: ["-DLEGACY_HW_DISK_ENCRYPTION"],
             },
+            uses_metadata_as_fde_key: {
+                cflags: ["-DUSE_METADATA_FOR_KEY"],
+            },
         },
     },