ARM: OMAP2+: Remove legacy usb-musb.c platform init code

This is no longer needed when booted with device tree.

Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Makefile

@@ -242,7 +242,6 @@ obj-y					+= $(omap-flash-y) $(omap-flash-m)
 omap-hsmmc-$(CONFIG_MMC_OMAP_HS)	:= hsmmc.o
 obj-y					+= $(omap-hsmmc-m) $(omap-hsmmc-y)
 
-obj-y					+= usb-musb.o
 obj-y					+= omap_phy_internal.o
 
 obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o