[media] omap3isp: Move the syscon register out of the ISP register maps

The syscon register isn't part of the ISP, use it through the syscom driver
regmap instead. The syscom block is considered to be from 343x on ISP
revision 2.0 whereas 15.0 is assumed to have 3630 syscon.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 2e30be5..272dc8c 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -90,6 +90,7 @@
 	select ARM_DMA_USE_IOMMU
 	select OMAP_IOMMU
 	select VIDEOBUF2_DMA_CONTIG
+	select MFD_SYSCON
 	---help---
 	  Driver for an OMAP 3 camera controller.