spm: move OP-TEE SP manifest DTS to FVP platform

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I0981c43e2ef8172138f65d95eac7b20f8969394e
diff --git a/fdts/optee_sp_manifest.dts b/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
similarity index 100%
rename from fdts/optee_sp_manifest.dts
rename to plat/arm/board/fvp/fdts/optee_sp_manifest.dts