mb/google/poppy/variants/nautilus: add nautilus board

Create Nautilus board which derives from Poppy, a KBL reference board.

BRANCH=master
BUG=b:66462881
TEST=Build (as initial setup)

Change-Id: I6ca5ab821a7ba1746b37dfd3ea1ed367094d4f52
Signed-off-by: Chris Wang <chriswang@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/21895
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/mainboard/google/poppy/Kconfig.name b/src/mainboard/google/poppy/Kconfig.name
index e8c6cdc..ec4342b 100644
--- a/src/mainboard/google/poppy/Kconfig.name
+++ b/src/mainboard/google/poppy/Kconfig.name
@@ -2,6 +2,10 @@
 	bool "Poppy"
 	select BOARD_GOOGLE_BASEBOARD_POPPY
 
+config BOARD_GOOGLE_NAUTILUS
+	bool "Nautilus"
+	select BOARD_GOOGLE_BASEBOARD_POPPY
+
 config BOARD_GOOGLE_SORAKA
 	bool "Soraka"
 	select BOARD_GOOGLE_BASEBOARD_POPPY