Wrap the codes to handle key with TAG_STORAGE_KEY

HWWSK may not be supported for every platform so we guard
the codes to handle "TAG_STORAGE_KEY" key with feature
"with_hwwsk_support".

Test: build and VTS module "vts_kernel_encryption_test"
Bug: None

Change-Id: I07a5476336206f18559b2b7d7ea3bbbcd8415be7
Signed-off-by: Ji Luo <ji.luo@nxp.com>
2 files changed