powerpc/t104xrdb: Set DDR ODT to 75ohm

DDR-ODT require cfg_dram_type switch set properly as per DDR type.
T1040RDB, T1042RDB boards have DDR3L type DDR, so cfg_dram_type
should be set to OFF for DDR3L
Update t104xrdb/README for switch setting

Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/freescale/t104xrdb/README

@@ -272,15 +272,15 @@ Switch Settings: (ON is 0, OFF is 1)
 ===============
 NAND boot SW setting:
 SW1: 10001000
-SW2: 00111001
+SW2: 00111011
 SW3: 11110001
 
 SPI boot SW setting:
 SW1: 00100010
-SW2: 10111001
+SW2: 10111011
 SW3: 11100001
 
 SD boot SW setting:
 SW1: 00100000
-SW2: 00111001
+SW2: 00111011
 SW3: 11100001

board/freescale/t104xrdb/ddr.c

@@ -105,8 +105,8 @@ found:
 	popts->zq_en = 1;
 
 	/* DHC_EN =1, ODT = 75 Ohm */
-	popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_OFF);
-	popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_OFF);
+	popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
+	popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
 }
 
 phys_size_t initdram(int board_type)