ARM: remove useless function board_post_init

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/ixdp425/ixdp425.c b/board/ixdp425/ixdp425.c
index 2a33d6d..e0d7637 100644
--- a/board/ixdp425/ixdp425.c
+++ b/board/ixdp425/ixdp425.c
@@ -38,11 +38,6 @@
 /*
  * Miscelaneous platform dependent initialisations
  */
-int board_post_init (void)
-{
-	return (0);
-}
-
 int board_init (void)
 {
 	/* arch number of IXDP */
diff --git a/board/prodrive/pdnb3/pdnb3.c b/board/prodrive/pdnb3/pdnb3.c
index a1a310a..3445a3a 100644
--- a/board/prodrive/pdnb3/pdnb3.c
+++ b/board/prodrive/pdnb3/pdnb3.c
@@ -48,11 +48,6 @@
 /*
  * Miscelaneous platform dependent initialisations
  */
-int board_post_init(void)
-{
-	return (0);
-}
-
 int board_init(void)
 {
 	/* arch number of PDNB3 */
diff --git a/board/xm250/xm250.c b/board/xm250/xm250.c
index 528d323..56b1cd4 100644
--- a/board/xm250/xm250.c
+++ b/board/xm250/xm250.c
@@ -52,14 +52,6 @@
 
 int
 /**********************************************************/
-board_post_init (void)
-/**********************************************************/
-{
-	return (0);
-}
-
-int
-/**********************************************************/
 board_init (void)
 /**********************************************************/
 {