1. Rename securedisplay_cmd to ta_securedisplay_cmd.
2. Rename ta_securedisplay_max_phy to ta_securedisplay_phy_ID.
3. update securedisplay_cmd to ta_securedisplay_cmd
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Shane Xiao <shane.xiao@amd.com>
Reviewed-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>