ppc/85xx: Remove CONFIG_SYS_DDR_TLB_START

Now that we dynamically determine TLB CAM entries to use we dont need
CONFIG_SYS_DDR_TLB_START anymore.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

include/configs/MPC8572DS.h

@@ -98,7 +98,6 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_PCIE1_ADDR		(CONFIG_SYS_CCSRBAR+0xa000)
 
 /* DDR Setup */
-#define CONFIG_SYS_DDR_TLB_START 9
 #define CONFIG_VERY_BIG_RAM
 #define CONFIG_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE

include/configs/P1_P2_RDB.h

@@ -149,8 +149,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_DDR_ERR_DIS		0x00000000
 #define CONFIG_SYS_DDR_SBE		0x00FF0000
 
-#define CONFIG_SYS_DDR_TLB_START 9
-
 /*
  * Memory map
  *

include/configs/P2020DS.h

@@ -101,7 +101,6 @@ extern unsigned long calculate_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_PCIE1_ADDR		(CONFIG_SYS_CCSRBAR+0xa000)
 
 /* DDR Setup */
-#define CONFIG_SYS_DDR_TLB_START 9
 #define CONFIG_VERY_BIG_RAM
 #define CONFIG_FSL_DDR3		1
 #undef CONFIG_FSL_DDR_INTERACTIVE