refactor(arm): avoid setting HASH_PREREQUISITES for a build without ROT_KEY
In the absence of ROT_KEY option, there is no need to populate
HASH_PREREQUISITES as the build system uses the hash file specified by
ARM_ROTPK_HASH directly.
Change-Id: Ib08f53b182b8446bbc430f2608471c7dfdc0e58c
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/plat/arm/board/common/board_common.mk b/plat/arm/board/common/board_common.mk
index 777784d..4665827 100644
--- a/plat/arm/board/common/board_common.mk
+++ b/plat/arm/board/common/board_common.mk
@@ -52,8 +52,6 @@
# Force generation of the new hash if ROT_KEY is specified
ifdef ROT_KEY
HASH_PREREQUISITES = $(ROT_KEY) FORCE
-else
- HASH_PREREQUISITES = $(ROT_KEY)
endif
$(ARM_ROTPK_HASH) : $(HASH_PREREQUISITES)