mpc83xx: Add the support of MPC8315E SoC

The MPC8315E SoC including e300c3 core and new IP blocks,
such as TDM, PCI Express and SATA controller.

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index 6ce072f..91acf9b 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -63,6 +63,9 @@
 #if defined (CONFIG_MPC834X)
 	u32 usbmph_clk;
 #endif /* CONFIG_MPC834X */
+#if defined(CONFIG_MPC815)
+	u32 tdm_clk;
+#endif
 #if defined(CONFIG_MPC837X)
 	u32 sdhc_clk;
 #endif
@@ -77,6 +80,8 @@
 #if defined(CONFIG_MPC837X)
 	u32 pciexp1_clk;
 	u32 pciexp2_clk;
+#endif
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
 	u32 sata_clk;
 #endif
 #if defined(CONFIG_MPC8360)