add 'unzip' command to u-boot commandline

[PATCH] add new 'unzip' command to u-boot commandline

common/cmd_mem.c: new command "unzip srcaddr dstaddr [dstsize]" to unzip from
memory to memory, and option CONFIG_CMD_UNZIP to enable it

Signed-off-by: Werner Almesberger <werner@openmoko.org>
Signed-off-by: Harald Welte <laforge@openmoko.org>
diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h
index c2bb094..2cb2f67 100644
--- a/include/config_cmd_all.h
+++ b/include/config_cmd_all.h
@@ -77,6 +77,7 @@
 #define CONFIG_CMD_SPI		/* SPI utility			*/
 #define CONFIG_CMD_TERMINAL	/* built-in Serial Terminal	*/
 #define CONFIG_CMD_UNIVERSE	/* Tundra Universe Support	*/
+#define CONFIG_CMD_UNZIP	/* unzip from memory to memory	*/
 #define CONFIG_CMD_USB		/* USB Support			*/
 #define CONFIG_CMD_VFD		/* VFD support (TRAB)		*/
 #define CONFIG_CMD_XIMG		/* Load part of Multi Image	*/