ARM: dts: omap3: Fix ISP syscon register offset

According to the TRM, SCM CONTROL_CSIRXFE register is on offset 0x6c
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Reviewed-By: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap34xx.dtsi

@@ -46,7 +46,7 @@ isp: isp@480bc000 {
 			       0x480bd800 0x017c>;
 			interrupts = <24>;
 			iommus = <&mmu_isp>;
-			syscon = <&scm_conf 0xdc>;
+			syscon = <&scm_conf 0x6c>;
 			ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>;
 			#clock-cells = <1>;
 			ports {