i.MX6: add enable_sata_clock()

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index 613809b..b91d8bf 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -47,5 +47,6 @@
 u32 imx_get_fecclk(void);
 unsigned int mxc_get_clock(enum mxc_clock clk);
 void enable_usboh3_clk(unsigned char enable);
+int enable_sata_clock(void);
 
 #endif /* __ASM_ARCH_CLOCK_H */