mach-types: compile fix: missing MACH_TYPE_OMAP_2430OSK type

Including MACH_TYPE_OMAP_2430OSK missed type.

arch/arm/mach-omap2/board-2430osk.c:134: error: `MACH_TYPE_OMAP_2430OSK' undeclared here (not in a function)
arch/arm/mach-omap2/board-2430osk.c:134: error: initializer element is not constant
arch/arm/mach-omap2/board-2430osk.c:134: error: (near initialization for `__mach_desc_OMAP_2430OSK.nr')
Signed-off-by: Francisco Alecrim <francisco.alecrim@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/tools/mach-types

@@ -1368,3 +1368,4 @@ db88f5281		MACH_DB88F5281		DB88F5281		1358
 csb726			MACH_CSB726		CSB726			1359
 tik27			MACH_TIK27		TIK27			1360
 mx_uc7420		MACH_MX_UC7420		MX_UC7420		1361
+omap_2430osk		MACH_OMAP_2430OSK	OMAP_2430OSK		1437