85xx/86xx: Rename ext_refrec to timing_cfg_3 to match docs

All the 85xx and 86xx UM describe the register as timing_cfg_3
not as ext_refrec.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

include/asm-ppc/immap_85xx.h

@@ -92,7 +92,7 @@ typedef struct ccsr_ddr {
 	uint	cs2_config_2;		/* 0x20c8 - DDR Chip Select Configuration 2 */
 	uint	cs3_config_2;		/* 0x20cc - DDR Chip Select Configuration 2 */
 	char	res5[48];
-	uint	ext_refrec;		/* 0x2100 - DDR SDRAM Extended Refresh Recovery */
+	uint	timing_cfg_3;		/* 0x2100 - DDR SDRAM Timing Configuration Register 3 */
 	uint	timing_cfg_0;		/* 0x2104 - DDR SDRAM Timing Configuration Register 0 */
 	uint	timing_cfg_1;		/* 0x2108 - DDR SDRAM Timing Configuration Register 1 */
 	uint	timing_cfg_2;		/* 0x210c - DDR SDRAM Timing Configuration Register 2 */

include/asm-ppc/immap_86xx.h

@@ -109,7 +109,7 @@ typedef struct ccsr_ddr {
 	uint	cs4_config;		/* 0x2090 - DDR Chip Select Configuration */
 	uint	cs5_config;		/* 0x2094 - DDR Chip Select Configuration */
 	char	res7[104];
-	uint    ext_refrec;             /* 0x2100 - DDR SDRAM extended refresh recovery */
+	uint	timing_cfg_3;		/* 0x2100 - DDR SDRAM Timing Configuration Register 3 */
 	uint	timing_cfg_0;		/* 0x2104 - DDR SDRAM Timing Configuration Register 0 */
 	uint	timing_cfg_1;		/* 0x2108 - DDR SDRAM Timing Configuration Register 1 */
 	uint	timing_cfg_2;		/* 0x210c - DDR SDRAM Timing Configuration Register 2 */

include/configs/MPC8610HPCD.h

@@ -114,7 +114,7 @@
 #if 0 /* TODO */
 #define CFG_DDR_CS0_BNDS	0x0000000F
 #define CFG_DDR_CS0_CONFIG	0x80010202	/* Enable, no interleaving */
-#define CFG_DDR_EXT_REFRESH	0x00000000
+#define CFG_DDR_TIMING_3	0x00000000
 #define CFG_DDR_TIMING_0	0x00260802
 #define CFG_DDR_TIMING_1	0x3935d322
 #define CFG_DDR_TIMING_2	0x14904cc8

include/configs/sbc8641d.h

@@ -136,7 +136,7 @@
     #define CFG_DDR_CS1_CONFIG	0x00000000
     #define CFG_DDR_CS2_CONFIG	0x00000000
     #define CFG_DDR_CS3_CONFIG	0x00000000
-    #define CFG_DDR_EXT_REFRESH 0x00000000
+    #define CFG_DDR_TIMING_3 0x00000000
     #define CFG_DDR_TIMING_0	0x00220802
     #define CFG_DDR_TIMING_1	0x38377322
     #define CFG_DDR_TIMING_2	0x002040c7