rockchip: fixes some typo

As the checkpatch reports the warning or error.

plat/rockchip/common/plat_pm.c:96:
ERROR: do not set execute permissions for source files
plat/rockchip/rk3399/drivers/pmu/pmu.c:294:
ERROR: do not set execute permissions for source files

plat/rockchip/common/plat_pm.c:286: WARNING: line over 80 characters
plat/rockchip/common/plat_pm.c:287: WARNING: line over 80 characters

Change-Id: Ib347da21c56551c31df3f90f03777b13c75d5c26

plat/rockchip/common/plat_pm.c

@@ -283,9 +283,10 @@ void rockchip_pwr_domain_suspend_finish(const psci_power_state_t *target_state)
 		rockchip_ops->cores_pwr_dm_resume();
 	/*
 	 * Program the gic per-cpu distributor or re-distributor interface.
-	 * For sys power domain operation, resuming of the gic needs to operate in
-	 * rockchip_ops->sys_pwr_dm_resume, according to the sys power mode implements.
-	*/
+	 * For sys power domain operation, resuming of the gic needs to operate
+	 * in rockchip_ops->sys_pwr_dm_resume, according to the sys power mode
+	 * implements.
+	 */
 	plat_rockchip_gic_cpuif_enable();
 
 comm_finish: