iocon / bamboo: Drop CONFIG_SYS_LONGHELP

The iocon and bamboo boards are often on the verge of, or going over,
their allowed size limits depending on toolchain used.  If we turn off
CONFIG_SYS_LONGHELP we can gain approximately 14KiB back.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Dirk Eibach <dirk.eibach@gdsys.cc>
diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h
index 5b8b22f..bb2abf1 100644
--- a/include/configs/bamboo.h
+++ b/include/configs/bamboo.h
@@ -29,6 +29,9 @@
 #define CONFIG_HOSTNAME		bamboo
 #include "amcc-common.h"
 
+/* Reclaim some space. */
+#undef CONFIG_SYS_LONGHELP
+
 #define CONFIG_BOARD_EARLY_INIT_F 1     /* Call board_early_init_f	*/
 
 /*