ep93xx: Make syscon access functions private to SoC

The syscon access functions are no longer used outside of the core
EP93xx code. Move their definitions into the SoC code.

Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
diff --git a/arch/arm/mach-ep93xx/soc.h b/arch/arm/mach-ep93xx/soc.h
index 5266998..5cad269 100644
--- a/arch/arm/mach-ep93xx/soc.h
+++ b/arch/arm/mach-ep93xx/soc.h
@@ -104,4 +104,18 @@
 #define EP93XX_WATCHDOG_PHYS_BASE	EP93XX_APB_PHYS(0x00140000)
 #define EP93XX_WATCHDOG_BASE		EP93XX_APB_IOMEM(0x00140000)
 
+/* EP93xx System Controller software locked register write */
+void ep93xx_syscon_swlocked_write(unsigned int val, void __iomem *reg);
+void ep93xx_devcfg_set_clear(unsigned int set_bits, unsigned int clear_bits);
+
+static inline void ep93xx_devcfg_set_bits(unsigned int bits)
+{
+	ep93xx_devcfg_set_clear(bits, 0x00);
+}
+
+static inline void ep93xx_devcfg_clear_bits(unsigned int bits)
+{
+	ep93xx_devcfg_set_clear(0x00, bits);
+}
+
 #endif /* _EP93XX_SOC_H */