83xx: Add eSDHC support on 8379 EMDS board

Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h
index 77c09db..7b847f8 100644
--- a/include/asm-ppc/immap_83xx.h
+++ b/include/asm-ppc/immap_83xx.h
@@ -895,4 +895,6 @@
 } immap_t;
 #endif
 
+#define CONFIG_SYS_MPC83xx_ESDHC_OFFSET	(0x2e000)
+#define CONFIG_SYS_MPC83xx_ESDHC_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC83xx_ESDHC_OFFSET)
 #endif				/* __IMMAP_83xx__ */