qseecom: Add support for PFE feature

Add key management support for crypto HW used for
PFE (per file encryption) features.

Change-Id: Ic0664973d9a4099f76d7b3040f0f81df8465cf71
Signed-off-by: Mona Hossain <mhossain@codeaurora.org>
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
diff --git a/include/linux/qseecom.h b/include/linux/qseecom.h
index b7ba63a..b8adebb 100644
--- a/include/linux/qseecom.h
+++ b/include/linux/qseecom.h
@@ -127,6 +127,7 @@
 
 enum qseecom_key_management_usage_type {
 	QSEOS_KM_USAGE_DISK_ENCRYPTION = 0x01,
+	QSEOS_KM_USAGE_FILE_ENCRYPTION = 0x02,
 	QSEOS_KM_USAGE_MAX
 };