Power: remove support for Freescale MPC8220

The Freescale MPC8220 Power Architecture processors have long reached
EOL; Freescale does not even list these any more on their web site.

Remove the code to avoid wasting maitaining efforts on dead stuff.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Andy Fleming <afleming@gmail.com>
diff --git a/include/ppc_asm.tmpl b/include/ppc_asm.tmpl
index 2db4784..c0f8cc8 100644
--- a/include/ppc_asm.tmpl
+++ b/include/ppc_asm.tmpl
@@ -175,7 +175,7 @@
 #define IM_IMMR		(IM_REGBASE+0x01a8)
 #define IM_SCCR		(IM_REGBASE+0x0c80)
 
-#elif defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8220)
+#elif defined(CONFIG_MPC5xxx)
 
 #define HID0_ICE_BITPOS	16
 #define HID0_DCE_BITPOS	17