fu540: Remove ARCH= references from documentation
When building U-Boot we select the architecture via Kconfig and not ARCH
being passed in via the environment or make cmdline.
While in here, add the doc file to the MAINTAINERS entry.
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Anup Patel <anup.patel@wdc.com>
Cc: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/sifive/fu540/MAINTAINERS b/board/sifive/fu540/MAINTAINERS
index 5381fc0..2762072 100644
--- a/board/sifive/fu540/MAINTAINERS
+++ b/board/sifive/fu540/MAINTAINERS
@@ -5,5 +5,6 @@
M: Atish Patra <atish.patra@wdc.com>
S: Maintained
F: board/sifive/fu540/
+F: doc/board/sifive/fu540.rst
F: include/configs/sifive-fu540.h
F: configs/sifive_fu540_defconfig