xsengine: rename board_post_init to board_late_init

missing migration from "Cleanup of some init functions"
in c837dcb1

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

board/xsengine/xsengine.c

@@ -47,7 +47,7 @@ int board_init (void)
 	return 0;
 }
 
-int board_post_init (void)
+int board_late_init (void)
 {
 	setenv ("stdout", "serial");
 	setenv ("stderr", "serial");

include/configs/xsengine.h

@@ -33,7 +33,7 @@
 #define CONFIG_XSENGINE			1
 #define CONFIG_MMC			1
 #define CONFIG_DOS_PARTITION		1
-#define BOARD_POST_INIT			1
+#define OARD_LATE_INIT			1
 #undef  CONFIG_USE_IRQ					/* we don't need IRQ/FIQ stuff */
 #define CFG_HZ				3686400		/* incrementer freq: 3.6864 MHz */