cramfs: fix bug in using CONFIG_CRAMFS_CMDLINE

do not define own flash_info variable, instead use
the flash_info variable defined in your flash driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>
cc: Detlev Zundel <dzu@denx.de>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>

common/cmd_cramfs.c

@@ -43,7 +43,7 @@
 #endif
 
 #ifdef CONFIG_CRAMFS_CMDLINE
-flash_info_t flash_info[1];
+#include <flash.h>
 
 #ifndef CONFIG_CMD_JFFS2
 #include <linux/stat.h>