powerpc: P1021RDB: Separate from P1_P2_RDB_PC in Kconfig

Use TARGET_P1021RDB instead of sharing with TARGET_P1_P2_RDB_PC to
simplify Kconfig and macros.

Remove macro CONFIG_P1021RDB.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/p1_p2_rdb_pc/Kconfig b/board/freescale/p1_p2_rdb_pc/Kconfig
index 7deb2ae..8160f44 100644
--- a/board/freescale/p1_p2_rdb_pc/Kconfig
+++ b/board/freescale/p1_p2_rdb_pc/Kconfig
@@ -2,7 +2,8 @@
 	TARGET_P1020MBG		|| \
 	TARGET_P1020RDB_PC	|| \
 	TARGET_P1020RDB_PD	|| \
-	TARGET_P1020UTM
+	TARGET_P1020UTM		|| \
+	TARGET_P1021RDB
 
 config SYS_BOARD
 	default "p1_p2_rdb_pc"
diff --git a/board/freescale/p1_p2_rdb_pc/ddr.c b/board/freescale/p1_p2_rdb_pc/ddr.c
index 6dc3957..59cd89a 100644
--- a/board/freescale/p1_p2_rdb_pc/ddr.c
+++ b/board/freescale/p1_p2_rdb_pc/ddr.c
@@ -15,7 +15,7 @@
 
 #ifdef CONFIG_SYS_DDR_RAW_TIMING
 #if	defined(CONFIG_P1020RDB_PROTO) || \
-	defined(CONFIG_P1021RDB) || \
+	defined(CONFIG_TARGET_P1021RDB) || \
 	defined(CONFIG_TARGET_P1020UTM)
 /* Micron MT41J256M8_187E */
 dimm_params_t ddr_raw_timing = {
diff --git a/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c b/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
index 33f2c7e..44e8e02 100644
--- a/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
+++ b/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
@@ -39,7 +39,7 @@
 #define GPIO_SLIC_PIN		30
 #define GPIO_SLIC_DATA		(1 << (31 - GPIO_SLIC_PIN))
 
-#if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
 #define GPIO_DDR_RST_PORT	1
 #define GPIO_DDR_RST_PIN	8
 #define GPIO_DDR_RST_DATA	(1 << (31 - GPIO_DDR_RST_PIN))
@@ -47,7 +47,7 @@
 #define GPIO_2BIT_MASK		(0x3 << (32 - (GPIO_DDR_RST_PIN + 1) * 2))
 #endif
 
-#if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
+#if defined(CONFIG_P1025RDB) || defined(CONFIG_TARGET_P1021RDB)
 #define PCA_IOPORT_I2C_ADDR		0x23
 #define PCA_IOPORT_OUTPUT_CMD		0x2
 #define PCA_IOPORT_CFG_CMD		0x6
@@ -58,7 +58,7 @@
 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* GPIO */
 	{1,   1, 2, 0, 0}, /* GPIO7/PB1   - LOAD_DEFAULT_N */
-#if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
 	{1,   8, 1, 1, 0}, /* GPIO10/PB8  - DDR_RST */
 #endif
 	{0,  15, 1, 0, 0}, /* GPIO11/A15  - WDI */
@@ -150,7 +150,7 @@
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	par_io_t *par_io = (par_io_t *) &(gur->qe_par_io);
 
-#if defined(CONFIG_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
 	/* reset DDR3 */
 	setbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
 	udelay(1000);
@@ -379,7 +379,7 @@
 }
 
 #if defined(CONFIG_QE) && \
-	(defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB))
+	(defined(CONFIG_P1025RDB) || defined(CONFIG_TARGET_P1021RDB))
 static void fdt_board_fixup_qe_pins(void *blob)
 {
 	unsigned int oldbus;
@@ -448,7 +448,7 @@
 #ifdef CONFIG_QE
 	do_fixup_by_compat(blob, "fsl,qe", "status", "okay",
 			sizeof("okay"), 0);
-#if defined(CONFIG_P1025RDB) || defined(CONFIG_P1021RDB)
+#if defined(CONFIG_P1025RDB) || defined(CONFIG_TARGET_P1021RDB)
 	fdt_board_fixup_qe_pins(blob);
 #endif
 #endif