memory: ifc: Update dependency of IFC for LS1021A

As Freescale/NXP IFC controller is available on LS1021A, the dependency
for LS1021A is added.

LS1021A is an earlier product and is not compatible with later
LayerScape architecture. So ARCH_LAYERSCAPE can't cover LS1021A.
Signed-off-by: NAlison Wang <alison.wang@nxp.com>
Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com>

drivers/memory/Kconfig

@@ -115,7 +115,7 @@ config FSL_CORENET_CF
 
 config FSL_IFC
 	bool
-	depends on FSL_SOC || ARCH_LAYERSCAPE
+	depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A
 
 config JZ4780_NEMC
 	bool "Ingenic JZ4780 SoC NEMC driver"