spm: remove device-memory node from SPMC manifests

The PVM concept is removed from the SPMC so the device-memory
node which is specifying the device memory range for the PVM
is no longer applicable.
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: If0cb956e0197028b24ecb78952c66ec454904516

plat/arm/board/fvp/fdts/fvp_spmc_manifest.dts

@@ -74,11 +74,6 @@
 		CPU_1
 	};
 
-	device-memory@0 {
-		device_type = "device-memory";
-		reg = <0x0 0x0 0x6000000 0x0 0x8000000 0x78000000>;
-	};
-
 	memory@6000000 {
 		device_type = "memory";
 		reg = <0x0 0x6000000 0x2000000>; /* Trusted DRAM */

plat/arm/board/fvp/fdts/fvp_spmc_optee_sp_manifest.dts

@@ -61,11 +61,6 @@
 		CPU_1
 	};
 
-	device-memory@0 {
-		device_type = "device-memory";
-		reg = <0x0 0x0 0x6000000 0x0 0x8000000 0x78000000>;
-	};
-
 	memory@6000000 {
 		device_type = "memory";
 		reg = <0x0 0x6000000 0x2000000>; /* Trusted DRAM */