ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file

OMAP3, OMAP4 and AM33xx share some common data like, clksel_rate
oscillator clock input (Virtual clock nodes), required for
clock tree; so move common data to common data file so that it
can be reused.

[hvaibhav@ti.com: Created separate commit from Paul's developement
  branch]
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index a1bb23a..980b0a4 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -155,4 +155,16 @@
 extern const struct clkops clkops_omap3_core_dpll_ops;
 extern const struct clkops clkops_omap4_dpllmx_ops;
 
+/* clksel_rate blocks shared between OMAP44xx and AM33xx */
+extern const struct clksel_rate div_1_0_rates[];
+extern const struct clksel_rate div_1_1_rates[];
+extern const struct clksel_rate div_1_2_rates[];
+extern const struct clksel_rate div_1_3_rates[];
+extern const struct clksel_rate div_1_4_rates[];
+extern const struct clksel_rate div31_1to31_rates[];
+
+/* clocks shared between various OMAP SoCs */
+extern struct clk virt_19200000_ck;
+extern struct clk virt_26000000_ck;
+
 #endif