ARCH: OMAP: Select ARCH_OMAP_OTG for 2430sdp and 3430sdp

Add missing select ARCH_OMAP_OTG on 2430sdp and 3430sdp builds.
Signed-off-by: Felipe Balbi <felipe.souza-lima-de@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Kconfig

@@ -14,6 +14,7 @@ config ARCH_OMAP2420
 config ARCH_OMAP2430
 	bool "OMAP2430 support"
 	depends on ARCH_OMAP24XX
+	select ARCH_OMAP_OTG
 
 config ARCH_OMAP34XX
 	bool "OMAP34xx Based System"
@@ -22,6 +23,7 @@ config ARCH_OMAP34XX
 config ARCH_OMAP3430
 	bool "OMAP3430 support"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
+	select ARCH_OMAP_OTG
 
 comment "OMAP Board Type"
 	depends on ARCH_OMAP2 || ARCH_OMAP3