imx: imx6ul: kontron-sl-mx6ul: Sync devicetrees

Sync the devicetrees with Linux and adjust the board names.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
diff --git a/board/kontron/sl-mx6ul/MAINTAINERS b/board/kontron/sl-mx6ul/MAINTAINERS
index 0f8b551..9e9dff0 100644
--- a/board/kontron/sl-mx6ul/MAINTAINERS
+++ b/board/kontron/sl-mx6ul/MAINTAINERS
@@ -1,8 +1,10 @@
 Kontron SL/BL i.MX6UL/ULL Boards (N63xx/N64xx)
 M:	Frieder Schrempf <frieder.schrempf@kontron.de>
 S:	Maintained
-F:	arch/arm/dts/imx6ul-kontron-n6*
-F:	arch/arm/dts/imx6ull-kontron-n6*
+F:	arch/arm/dts/imx6ul-kontron-sl*
+F:	arch/arm/dts/imx6ul-kontron-bl*
+F:	arch/arm/dts/imx6ull-kontron-sl*
+F:	arch/arm/dts/imx6ull-kontron-bl*
 F:	board/kontron/sl-mx6ul
 F:	configs/kontron-sl-mx6ul_defconfig
 F:	doc/board/kontron/sl-mx6ul.rst