colibri_pxa270: drop edit, elf, fpga, hush, regex et al. for space reason

With em humble DM and Kconfig migraters U-Boot binary size keeps
increasing. Drop a bunch of less needed stuff to save another precious
20+ KB.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/include/configs/colibri_pxa270.h b/include/configs/colibri_pxa270.h
index b16abdc..39fd94b 100644
--- a/include/configs/colibri_pxa270.h
+++ b/include/configs/colibri_pxa270.h
@@ -93,8 +93,8 @@
 #define	CONFIG_SYS_MAXARGS		16
 #define	CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define	CONFIG_SYS_DEVICE_NULLDEV	1
-#define	CONFIG_CMDLINE_EDITING		1
-#define	CONFIG_AUTO_COMPLETE		1
+#undef	CONFIG_CMDLINE_EDITING		/* Saves 2.5 KB */
+#undef	CONFIG_AUTO_COMPLETE		/* Saves 2.5 KB */
 
 /*
  * Clock Configuration