sunxi-common.h: Remove CONFIG_SYS_BOOT_GET_CMDLINE

sunxi does not need this and it should never have been enabled for it in
the first place.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 6a3044f..e3dc9c4 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -126,8 +126,6 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootm_size=0x10000000\0"
 
-#define CONFIG_SYS_BOOT_GET_CMDLINE
-
 #include <config_cmd_default.h>
 
 #define CONFIG_FAT_WRITE	/* enable write access */