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/MAINTAINERS b/board/google/imx8mq_phanbell/MAINTAINERS
new file mode 100644
index 0000000..b233e6b
--- /dev/null
+++ b/board/google/imx8mq_phanbell/MAINTAINERS
@@ -0,0 +1,8 @@
+i.MX 8MQ PHANBELL BOARD
+M:	Fabio Estevam <festevam@gmail.com>
+M:	Marco Franchi <marcofrk@gmail.com>
+M:	Alifer Moraes <alifer.wsdm@gmail.com>
+S:	Maintained
+F:	board/google/imx8mq_phanbell/
+F:	include/configs/imx8mq_phanbell.h
+F:	configs/imx8mq_phanbell_defconfig