ARM: davinci: Orphan Spectrum Digital AM18xx EVM

I had requested the da850 boards because their previous maintainer
had an invalid e-mail address.  I work at Logic PD who makes
the da850-evm kits, so I have access to various boards of theirs.

The Spectrum Digital AM18xx board is based on the Logic PD
da850 EVM, but it's not the same company.  Since I don't have the
hardware to test/verify changes, I would prefer to not be
responsible for this board.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/board/davinci/da8xxevm/MAINTAINERS b/board/davinci/da8xxevm/MAINTAINERS
index 5958986..b77a5f6 100644
--- a/board/davinci/da8xxevm/MAINTAINERS
+++ b/board/davinci/da8xxevm/MAINTAINERS
@@ -1,13 +1,16 @@
-DA850_AM18XXEVM BOARD
+DA850_EVM BOARD
 M:	Adam Ford <aford173@gmail.com>
 S:	Maintained
 F:	board/davinci/da8xxevm/
 F:	include/configs/da850evm.h
-F:	configs/da850_am18xxevm_defconfig
 F:	configs/da850evm_defconfig
 F:	configs/da850evm_nand_defconfig
 F:	configs/da850evm_direct_nor_defconfig
 
+AM18XXEVM BOARD
+S:	Orphan
+F:	configs/da850_am18xxevm_defconfig
+
 OMAPL138_LCDK BOARD
 M:	Peter Howard <phoward@gme.net.au>
 S:	Maintained