docs: hikey: Fix typo

The correct name of the manufacturer is LeMaker.

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/docs/plat/hikey.rst b/docs/plat/hikey.rst
index 1c48104..99259f3 100644
--- a/docs/plat/hikey.rst
+++ b/docs/plat/hikey.rst
@@ -65,7 +65,7 @@
 
        BUILDFLAGS=-DSERIAL_BASE=0xF8015000
 
-   If your hikey hardware is built by LeMarker, nothing to do.
+   If your hikey hardware is built by LeMaker, nothing to do.
 
 -  Build it as debug mode. Create your own build script file or you could refer to **build\_uefi.sh** in l-loader git repository.