ARM: OMAP: PRCM fixes to ssi clock handling

ssi_l4_ick should have PARENT_CONTROLS_CLOCK flag.
ST_SSI_STDBY bit in idlest register cannot be used in  omap2_clk_wait_ready

Signed-off-by: Jouni Högander <jouni.hogander@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/clock34xx.h

@@ -1837,7 +1837,8 @@ static struct clk omapctrl_ick = {
 static struct clk ssi_l4_ick = {
 	.name		= "ssi_l4_ick",
 	.parent		= &l4_ick,
-	.flags		= CLOCK_IN_OMAP343X | RATE_PROPAGATES,
+	.flags		= CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+				PARENT_CONTROLS_CLOCK,
 	.recalc		= &followparent_recalc,
 };