board/freescale: Remove P1020UTM board support

Remove NXP powerpc P1020UTM board support as it is no
longer maintained.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

board/freescale/p1_p2_rdb_pc/Kconfig

@@ -1,7 +1,6 @@
 if TARGET_P1020MBG		|| \
 	TARGET_P1020RDB_PC	|| \
 	TARGET_P1020RDB_PD	|| \
-	TARGET_P1020UTM		|| \
 	TARGET_P1021RDB		|| \
 	TARGET_P1024RDB		|| \
 	TARGET_P2020RDB

board/freescale/p1_p2_rdb_pc/MAINTAINERS

@@ -19,10 +19,6 @@ F:	configs/P1020RDB-PD_defconfig
 F:	configs/P1020RDB-PD_NAND_defconfig
 F:	configs/P1020RDB-PD_SDCARD_defconfig
 F:	configs/P1020RDB-PD_SPIFLASH_defconfig
-F:	configs/P1020UTM-PC_defconfig
-F:	configs/P1020UTM-PC_36BIT_defconfig
-F:	configs/P1020UTM-PC_36BIT_SDCARD_defconfig
-F:	configs/P1020UTM-PC_SDCARD_defconfig
 F:	configs/P1021RDB-PC_defconfig
 F:	configs/P1021RDB-PC_36BIT_defconfig
 F:	configs/P1021RDB-PC_36BIT_NAND_defconfig

board/freescale/p1_p2_rdb_pc/README

@@ -4,7 +4,6 @@ P1_P2_RDB_PC represents a set of boards including
     P1020MSBG-PC
     P1020RDB-PC
     P1020RDB-PD
-    P1020UTM-PC
     P1021RDB-PC
     P1024RDB
     P2020RDB-PC

board/freescale/p1_p2_rdb_pc/ddr.c

@@ -15,8 +15,7 @@
 
 #ifdef CONFIG_SYS_DDR_RAW_TIMING
 #if	defined(CONFIG_P1020RDB_PROTO) || \
-	defined(CONFIG_TARGET_P1021RDB) || \
-	defined(CONFIG_TARGET_P1020UTM)
+	defined(CONFIG_TARGET_P1021RDB)
 /* Micron MT41J256M8_187E */
 dimm_params_t ddr_raw_timing = {
 	.n_ranks = 1,