This patch allows to execute bl33 in hypervisor mode
if BL33_HYP compilation flag is defined.

Change-Id: Icd0de8e9a8180f2ca67952bd6b98f38712e52716
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Sebastien Pasdeloup <sebastien.pasdeloup-ext@st.com>
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/tf-a/+/187471


Reviewed-by: CITOOLS <smet-aci-reviews@lists.codex.cro.st.com>
Reviewed-by: CIBUILD <smet-aci-builds@lists.codex.cro.st.com>
Reviewed-by: Yann GAUTIER <yann.gautier@st.com>
Tested-by: Yann GAUTIER <yann.gautier@st.com>