env: Use include/env for text-environment includes

The 'environment' word is too long. We mostly use 'env' in U-Boot, so use
that as the name of the include directory too.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # Intel Edison
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index a2f73c4..7ee7b7e 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -64,7 +64,7 @@
 #include <config_distro_bootcmd.h>
 
 #ifndef CONFIG_SPL_BUILD
-#include <environment/ti/dfu.h>
+#include <env/ti/dfu.h>
 
 #define CFG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \