ARM: pxa: add clock for static memory controller

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h
index 3a60752..6e94994 100644
--- a/arch/arm/mach-pxa/clock.h
+++ b/arch/arm/mach-pxa/clock.h
@@ -69,6 +69,7 @@
 extern const struct clkops clk_pxa3xx_hsio_ops;
 extern const struct clkops clk_pxa3xx_ac97_ops;
 extern const struct clkops clk_pxa3xx_pout_ops;
+extern const struct clkops clk_pxa3xx_smemc_ops;
 
 extern void clk_pxa3xx_cken_enable(struct clk *);
 extern void clk_pxa3xx_cken_disable(struct clk *);