85xx/86xx: Rename DDR init address and init extended address register

Rename init_addr and init_ext_addr to match the docs between
85xx and 86xx.  Both now use 'init_addr' and 'init_ext_addr'.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index dc6e278..da97cd4 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -106,8 +106,8 @@
 	char	res6[4];
 	uint	sdram_clk_cntl;		/* 0x2130 - DDR SDRAM Clock Control */
 	char	res7[20];
-	uint	init_address;		/* 0x2148 - DDR training initialization address */
-	uint	init_ext_address;	/* 0x214C - DDR training initialization extended address */
+	uint	init_addr;		/* 0x2148 - DDR training initialization address */
+	uint	init_ext_addr;		/* 0x214C - DDR training initialization extended address */
 	char	res8_1[16];
 	uint	timing_cfg_4;		/* 0x2160 - DDR SDRAM Timing Configuration Register 4 */
 	uint	timing_cfg_5;		/* 0x2164 - DDR SDRAM Timing Configuration Register 5 */