sh: Add a new mach type for alpha project boards.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 2018c7e..3bac817 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -3,6 +3,9 @@
 config SOLUTION_ENGINE
 	bool
 
+config SH_ALPHA_BOARD
+	bool
+
 config SH_SOLUTION_ENGINE
 	bool "SolutionEngine"
 	select SOLUTION_ENGINE
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 0e68465..765cf79 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -9,6 +9,7 @@
 HIGHLANDER		SH_HIGHLANDER
 RTS7751R2D		SH_RTS7751R2D
 RSK			SH_RSK
+ALPHA_BOARD		SH_ALPHA_BOARD
 
 #
 # List of companion chips / MFDs.