powerpc: mpc8xx: remove hermes board support

This board sprinkles #ifdef(CONFIG_HERMES) over various global files
such as include/common.h, common/board_r.c, common/cmd_bdinfo.c.
Let's zap such an ill-behaved board.

It has not been converted to generic board yet and mpc8xx is old
enough.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c b/arch/powerpc/cpu/mpc8xx/cpu_init.c
index 60c401e..6a1cd46 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c
@@ -125,8 +125,7 @@
 	 *  I owe him a free beer. - wd]
 	 */
 
-#if defined(CONFIG_HERMES)	|| \
-    defined(CONFIG_IP860)	|| \
+#if defined(CONFIG_IP860)	|| \
     defined(CONFIG_IVML24)	|| \
     defined(CONFIG_IVMS8)	|| \
     defined(CONFIG_LWMON)	|| \