MAINTAINERS: Fix path typos and similar

We have a number of cases where the in-tree path of files and where
they presumably were when the first version of a patch were posted
differ slightly.  Correct these to point at where the files are now.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/seeed/npi_imx6ull/MAINTAINERS b/board/seeed/npi_imx6ull/MAINTAINERS
index c6a915c..ddf4984 100644
--- a/board/seeed/npi_imx6ull/MAINTAINERS
+++ b/board/seeed/npi_imx6ull/MAINTAINERS
@@ -4,6 +4,6 @@
 F:	arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts
 F:	arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi
 F:	arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi
-F:	board/seeed/npi-imx6ull/
+F:	board/seeed/npi_imx6ull/
 F:	configs/seeed_npi_imx6ull_defconfig
 F:	include/configs/npi_imx6ull.h