xes: Add POST support for 8xxx boards

Add memory and I2C posts to the XPedite517x/520x/537x board families.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/xpedite520x.h b/include/configs/xpedite520x.h
index fc15d8e..2f31337 100644
--- a/include/configs/xpedite520x.h
+++ b/include/configs/xpedite520x.h
@@ -93,6 +93,13 @@
 #define CONFIG_SYS_ALT_MEMTEST
 #define CONFIG_SYS_MEMTEST_START	0x10000000
 #define CONFIG_SYS_MEMTEST_END		0x20000000
+#define CONFIG_POST			(CONFIG_SYS_POST_MEMORY | \
+					 CONFIG_SYS_POST_I2C)
+#define I2C_ADDR_LIST			{CONFIG_SYS_I2C_MAX1237_ADDR,	\
+					 CONFIG_SYS_I2C_EEPROM_ADDR,	\
+					 CONFIG_SYS_I2C_PCA953X_ADDR0,	\
+					 CONFIG_SYS_I2C_PCA953X_ADDR1,	\
+					 CONFIG_SYS_I2C_RTC_ADDR}
 
 /*
  * Memory map
@@ -265,6 +272,9 @@
 #define CONFIG_SYS_PCA953X_P14_IO6		0x40
 #define CONFIG_SYS_PCA953X_P14_IO7		0x80
 
+/* 12-bit ADC used to measure CPU diode */
+#define CONFIG_SYS_I2C_MAX1237_ADDR		0x34
+
 /*
  * General PCI
  * Memory space is mapped 1-1, but I/O space must start from 0.