configs: meson64_android: add board specific env settings

This allows us to define extra board variables, such as "board" and
"board_name".

Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20211122152207.219023-2-mkorpershoek@baylibre.com
diff --git a/include/configs/meson64_android.h b/include/configs/meson64_android.h
index 7cd1ab0..56dc9fc 100644
--- a/include/configs/meson64_android.h
+++ b/include/configs/meson64_android.h
@@ -23,6 +23,10 @@
 #define CONTROL_PARTITION "misc"
 #endif
 
+#ifndef EXTRA_ANDROID_ENV_SETTINGS
+#define EXTRA_ANDROID_ENV_SETTINGS ""
+#endif
+
 #if defined(CONFIG_CMD_AVB)
 #define AVB_VERIFY_CHECK \
 	"if test \"${force_avb}\" -eq 1; then " \
@@ -264,6 +268,7 @@
 	"fi;"
 
 #define CONFIG_EXTRA_ENV_SETTINGS                                     \
+	EXTRA_ANDROID_ENV_SETTINGS                                    \
 	"partitions=" PARTS_DEFAULT "\0"                              \
 	"mmcdev=2\0"                                                  \
 	ANDROIDBOOT_GET_CURRENT_SLOT_CMD                              \