arm: dra7xx: clock: Add the prcm changes

PRCM register addresses are changed from OMAP5 ES2.0 to DRA7XX.
So adding the necessary register changes for DRA7XX socs.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index f083198..d291da9 100644
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -351,7 +351,12 @@
 	 * So use cold reset in case instead.
 	 */
 	if (omap_rev == OMAP5430_ES1_0)
-		writel(PRM_RSTCTRL_RESET << 0x1, PRM_RSTCTRL);
+		writel(PRM_RSTCTRL_RESET << 0x1, (*prcm)->prm_rstctrl);
 	else
-		writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL);
+		writel(PRM_RSTCTRL_RESET, (*prcm)->prm_rstctrl);
+}
+
+u32 warm_reset(void)
+{
+	return readl((*prcm)->prm_rstst) & PRM_RSTST_WARM_RESET_MASK;
 }