sh: Fixup R7780RP iVDR clock enable.

The iVDR clock enable bit happens to actually reside in a rather
different place than what is documented, so fix it up accordingly.
This fixes up SATA boot for some of the R7780RP boards that didn't
default-enable the clock in the loader.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index 9f89c8d..b48f19f 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -148,7 +148,7 @@
 #ifndef CONFIG_SH_R7780MP
 	ctrl_outw(0x0001, PA_SDPOW);	/* SD Power ON */
 #endif
-	ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x0100, PA_IVDRCTL);	/* Si13112 */
+	ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);	/* Si13112 */
 
 	pm_power_off = r7780rp_power_off;
 }