imx: imxrt1050-evk: Add support for the NXP i.MXRT1050-EVK

This commit adds board support for i.MXRT1050-EVK from NXP. This board
is an evaluation kit provided by NXP for i.MXRT105x processor family.

More information about this board can be found here:
https://www.nxp.com/design/development-boards/i.mx-evaluation-and-development-boards/i.mx-rt1050-evaluation-kit:MIMXRT1050-EVK

The initial supported/tested devices include:
- Debug serial
- SD

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
diff --git a/board/freescale/imxrt1050-evk/MAINTAINERS b/board/freescale/imxrt1050-evk/MAINTAINERS
new file mode 100644
index 0000000..a872855
--- /dev/null
+++ b/board/freescale/imxrt1050-evk/MAINTAINERS
@@ -0,0 +1,6 @@
+IMXRT1050 EVALUATION KIT
+M:	Giulio Benetti <giulio.benetti@benettiengineering.com>
+S:	Maintained
+F:	board/freescale/imxrt1050-evk
+F:	include/configs/imxrt1050-evk.h
+F:	configs/imxrt1050-evk_defconfig