board_f: Rename initdram() to dram_init()

This allows us to use the same DRAM init function on all archs. Add a
dummy function for arc, which does not use DRAM init here.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Dummy function on nios2]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/amcc/acadia/memory.c b/board/amcc/acadia/memory.c
index cd78a14..36500da 100644
--- a/board/amcc/acadia/memory.c
+++ b/board/amcc/acadia/memory.c
@@ -43,7 +43,7 @@
 	return;
 }
 
-int initdram(void)
+int dram_init(void)
 {
 	int i;
 	u32 val;
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 453677a..6a50b39 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -438,7 +438,7 @@
 }
 
 
-int initdram(void)
+int dram_init(void)
 {
 	gd->ram_size = spd_sdram();
 
diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c
index 725b9ca..c73424d 100644
--- a/board/amcc/bubinga/bubinga.c
+++ b/board/amcc/bubinga/bubinga.c
@@ -54,10 +54,10 @@
 }
 
 /* -------------------------------------------------------------------------
-  initdram() reads EEPROM via I2c. EEPROM contains all of
+  dram_init() reads EEPROM via I2c. EEPROM contains all of
   the necessary info for SDRAM controller configuration
    ------------------------------------------------------------------------- */
-int initdram(void)
+int dram_init(void)
 {
 	gd->ram_size = spd_sdram();
 
diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index 9bedb5b..ea98717 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -30,10 +30,10 @@
 
 /*************************************************************************
  *
- * initdram -- 440EPx's DDR controller is a DENALI Core
+ * dram_init -- 440EPx's DDR controller is a DENALI Core
  *
  ************************************************************************/
-int initdram(void)
+int dram_init(void)
 {
 #if !defined(CONFIG_SYS_RAMBOOT)
 	ulong speed = get_bus_freq(0);
diff --git a/board/amcc/walnut/walnut.c b/board/amcc/walnut/walnut.c
index 2a2441e..b21daa0 100644
--- a/board/amcc/walnut/walnut.c
+++ b/board/amcc/walnut/walnut.c
@@ -73,10 +73,10 @@
 }
 
 /*
- * initdram() reads EEPROM via I2c. EEPROM contains all of
+ * dram_init() reads EEPROM via I2c. EEPROM contains all of
  * the necessary info for SDRAM controller configuration
  */
-int initdram(void)
+int dram_init(void)
 {
 	gd->ram_size = spd_sdram();
 
diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c
index fde371d..f46aacf 100644
--- a/board/amcc/yosemite/yosemite.c
+++ b/board/amcc/yosemite/yosemite.c
@@ -205,7 +205,7 @@
 }
 
 /*************************************************************************
- *  initdram -- doesn't use serial presence detect.
+ *  dram_init -- doesn't use serial presence detect.
  *
  *  Assumes:    256 MB, ECC, non-registered
  *              PLB @ 133 MHz
@@ -286,7 +286,7 @@
 	*tr1_value = (first_good + last_bad) / 2;
 }
 
-int initdram(void)
+int dram_init(void)
 {
 	register uint reg;
 	int tr1_bank1, tr1_bank2;