OMAP3 clock: move OMAP3-specific DPLL functions to dpll3xxx.c

Mark the OMAP3-specific DPLL functions as being OMAP3-specific by moving
them from mach-omap2/dpll.c to mach-omap2/dpll3xxx.c.
Signed-off-by: NPaul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>

arch/arm/mach-omap2/Makefile

@@ -6,7 +6,7 @@
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o
 
 omap-2-3-common				= irq.o sdrc.o omap_hwmod.o
-omap-3-4-common				= dpll.o
+omap-3-4-common				= dpll3xxx.o
 prcm-common				= prcm.o powerdomain.o
 clock-common				= clock.o clock_common_data.o clockdomain.o