arm: imx: Add support for Google's Coral Dev Board

Add initial support for Google's Coral Dev Board based on i.MX8MQ.

https://coral.ai/products/dev-board

The Phanbell naming has been used here to match the naming convention
used in Google's U-Boot source tree:

https://coral.googlesource.com/uboot-imx/

Co-developed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alifer Moraes <alifer.wsdm@gmail.com>
Tested-by: Marco Franchi <marcofrk@gmail.com>
diff --git a/board/google/imx8mq_phanbell/Kconfig b/board/google/imx8mq_phanbell/Kconfig
new file mode 100644
index 0000000..fba2e9c
--- /dev/null
+++ b/board/google/imx8mq_phanbell/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_IMX8MQ_PHANBELL
+
+config SYS_BOARD
+	default "imx8mq_phanbell"
+
+config SYS_VENDOR
+	default "google"
+
+config SYS_CONFIG_NAME
+	default "imx8mq_phanbell"
+
+endif