OMAP4: powerdomain: Update DSS logic state for ES2

DSS on ES2 supports only OSWR, hence remove the support
for CSWR from the powerdomain framework.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: BenoƮt Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index fb6ec74..3ea7220 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -32,6 +32,7 @@
 
 /* Powerdomain allowable state bitfields */
 #define PWRSTS_ON		(1 << PWRDM_POWER_ON)
+#define PWRSTS_OFF		(1 << PWRDM_POWER_OFF)
 #define PWRSTS_OFF_ON		((1 << PWRDM_POWER_OFF) | \
 				 (1 << PWRDM_POWER_ON))