configs: meson64: relocate config_distro_bootcmmd header

Relocate a config_distro_bootcmd header before defined
CONFIG_EXTRA_ENV_SETTINGS. Otherwise it can't change to specific
environment.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/include/configs/meson64.h b/include/configs/meson64.h
index cee6900..52cc01f 100644
--- a/include/configs/meson64.h
+++ b/include/configs/meson64.h
@@ -69,6 +69,8 @@
 	func(DHCP, dhcp, na)
 #endif
 
+#include <config_distro_bootcmd.h>
+
 #ifndef CONFIG_EXTRA_ENV_SETTINGS
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"stdin=" STDIN_CFG "\0" \
@@ -83,6 +85,5 @@
 	BOOTENV
 #endif
 
-#include <config_distro_bootcmd.h>
 
 #endif /* __MESON64_CONFIG_H */