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/anbernic/rgxx3_rk3566/MAINTAINERS b/board/anbernic/rgxx3_rk3566/MAINTAINERS
index 647e49d..1c0d3fe 100644
--- a/board/anbernic/rgxx3_rk3566/MAINTAINERS
+++ b/board/anbernic/rgxx3_rk3566/MAINTAINERS
@@ -1,6 +1,6 @@
 RGXX3-RK3566
 M:	Chris Morgan <macromorgan@hotmail.com>
 S:	Maintained
-F:	board/anbernic/rgxx3-rk3566
-F:	include/configs/anbernic-rgxx3-rk3566
+F:	board/anbernic/rgxx3_rk3566
+F:	include/configs/anbernic-rgxx3-rk3566.h
 F:	configs/anbernic-rgxx3_defconfig