sbxxx: Add support for new AMD SPI controller

This patch adds support for the "SPI 100" SPI engine in Yangtze FCHs
(found in Kabini and Temash).

Tested reading/writing on ASRock IMB-A180 and PC Engines' APU board.

Corresponding to flashrom svn r1794.

Signed-off-by: Wei Hu <wei@aristanetworks.com>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/programmer.h b/programmer.h
index 7670784..b896ddf 100644
--- a/programmer.h
+++ b/programmer.h
@@ -499,6 +499,7 @@
 	SPI_CONTROLLER_IT85XX,
 	SPI_CONTROLLER_IT87XX,
 	SPI_CONTROLLER_SB600,
+	SPI_CONTROLLER_YANGTZE,
 	SPI_CONTROLLER_VIA,
 	SPI_CONTROLLER_WBSIO,
 #endif