ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP

Legacy IPs like PWMSS, present under l4per2_7xx_clkdm, cannot support
smart-idle when its clock domain is in HW_AUTO on DRA7 SoCs. Hence,
program clock domain to SW_WKUP.
Signed-off-by: NVignesh R <vigneshr@ti.com>
Acked-by: NTero Kristo <t-kristo@ti.com>
Reviewed-by: NPaul Walmsley <paul@pwsan.com>
Signed-off-by: NPaul Walmsley <paul@pwsan.com>
Cc: <stable@vger.kernel.org>

arch/arm/mach-omap2/clockdomains7xx_data.c

@@ -331,7 +331,7 @@ static struct clockdomain l4per2_7xx_clkdm = {
 	.dep_bit	  = DRA7XX_L4PER2_STATDEP_SHIFT,
 	.wkdep_srcs	  = l4per2_wkup_sleep_deps,
 	.sleepdep_srcs	  = l4per2_wkup_sleep_deps,
-	.flags		  = CLKDM_CAN_HWSUP_SWSUP,
+	.flags		  = CLKDM_CAN_SWSUP,
 };
 
 static struct clockdomain mpu0_7xx_clkdm = {