emdk->emsdp: Rename board

Real marketing name of the board was recently updated so
to accommodate that change renaming the board and all
related to it.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/board/synopsys/emsdp/MAINTAINERS b/board/synopsys/emsdp/MAINTAINERS
new file mode 100644
index 0000000..6404013
--- /dev/null
+++ b/board/synopsys/emsdp/MAINTAINERS
@@ -0,0 +1,6 @@
+EM DEVELOPMENT KIT BOARD
+M:	Alexey Brodkin <abrodkin@synopsys.com>
+S:	Maintained
+F:	arch/arc/dts/emsdp.dts
+F:	board/synopsys/emsdp/
+F:	configs/emsdp_defconfig