sh: Add EDOSK7760 mach type.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/tools/mach-types

@@ -30,6 +30,7 @@ HP6XX			SH_HP6XX
 DREAMCAST		SH_DREAMCAST
 SNAPGEAR		SH_SECUREEDGE5410
 EDOSK7705		SH_EDOSK7705
+EDOSK7760		SH_EDOSK7760
 SH4202_MICRODEV		SH_SH4202_MICRODEV
 SH03			SH_SH03
 LANDISK			SH_LANDISK