powerpc: P5020DS: Remove macro CONFIG_P5020DS

Use CONFIG_TARGET_P5020DS instead.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index c26ada1..73a722a 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -55,7 +55,7 @@
 obj-$(CONFIG_P2020DS)		+= ics307_clk.o
 obj-$(CONFIG_TARGET_P3041DS)		+= ics307_clk.o
 obj-$(CONFIG_TARGET_P4080DS)		+= ics307_clk.o
-obj-$(CONFIG_P5020DS)		+= ics307_clk.o
+obj-$(CONFIG_TARGET_P5020DS)		+= ics307_clk.o
 obj-$(CONFIG_P5040DS)		+= ics307_clk.o
 obj-$(CONFIG_VSC_CROSSBAR)    += vsc3316_3308.o
 obj-$(CONFIG_IDT8T49N222A)	+= idt8t49n222a_serdes_clk.o
@@ -68,7 +68,7 @@
 obj-$(CONFIG_TARGET_P2041RDB)	+= p_corenet/
 obj-$(CONFIG_TARGET_P3041DS)	+= p_corenet/
 obj-$(CONFIG_TARGET_P4080DS)	+= p_corenet/
-obj-$(CONFIG_P5020DS)	+= p_corenet/
+obj-$(CONFIG_TARGET_P5020DS)	+= p_corenet/
 obj-$(CONFIG_P5040DS)	+= p_corenet/
 
 obj-$(CONFIG_LAYERSCAPE_NS_ACCESS)	+= ns_access.o
diff --git a/board/freescale/corenet_ds/Makefile b/board/freescale/corenet_ds/Makefile
index f5db922..6bd54c0 100644
--- a/board/freescale/corenet_ds/Makefile
+++ b/board/freescale/corenet_ds/Makefile
@@ -10,9 +10,9 @@
 obj-y	+= ddr.o
 obj-$(CONFIG_TARGET_P3041DS)	+= eth_hydra.o
 obj-$(CONFIG_TARGET_P4080DS)	+= eth_p4080.o
-obj-$(CONFIG_P5020DS)	+= eth_hydra.o
+obj-$(CONFIG_TARGET_P5020DS)	+= eth_hydra.o
 obj-$(CONFIG_P5040DS)	+= eth_superhydra.o
 obj-$(CONFIG_TARGET_P3041DS)	+= p3041ds_ddr.o
 obj-$(CONFIG_TARGET_P4080DS)	+= p4080ds_ddr.o
-obj-$(CONFIG_P5020DS)	+= p5020ds_ddr.o
+obj-$(CONFIG_TARGET_P5020DS)	+= p5020ds_ddr.o
 obj-$(CONFIG_P5040DS)	+= p5040ds_ddr.o
diff --git a/board/freescale/corenet_ds/corenet_ds.c b/board/freescale/corenet_ds/corenet_ds.c
index 632b37b..cc33d5c 100644
--- a/board/freescale/corenet_ds/corenet_ds.c
+++ b/board/freescale/corenet_ds/corenet_ds.c
@@ -26,7 +26,7 @@
 {
 	u8 sw;
 	struct cpu_type *cpu = gd->arch.cpu;
-#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_P5020DS) || \
+#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_TARGET_P5020DS) || \
 	defined(CONFIG_P5040DS)
 	unsigned int i;
 #endif
@@ -56,7 +56,7 @@
 	 * don't match.
 	 */
 	puts("SERDES Reference Clocks: ");
-#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_P5020DS) \
+#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_TARGET_P5020DS) \
 	|| defined(CONFIG_P5040DS)
 	sw = in_8(&PIXIS_SW(5));
 	for (i = 0; i < 3; i++) {
@@ -136,7 +136,7 @@
 	unsigned int i;
 	u8 sw;
 
-#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_P5020DS) \
+#if defined(CONFIG_TARGET_P3041DS) || defined(CONFIG_TARGET_P5020DS) \
 	|| defined(CONFIG_P5040DS)
 	sw = in_8(&PIXIS_SW(5));
 	for (i = 0; i < 3; i++) {