rcar_gen3: drivers: Change to restore timer counter value at resume

Changed to save and restore cntpct_el0 using memory mapped
register for generic timer when System Suspend and Resume.

Reported by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Change-Id: I40fd9f5434c4d52b320cd1d20322b9b8e4e67155
diff --git a/drivers/renesas/rcar/console/rcar_printf.c b/drivers/renesas/rcar/console/rcar_printf.c
index 2a6e2c0..e75b9f4 100644
--- a/drivers/renesas/rcar/console/rcar_printf.c
+++ b/drivers/renesas/rcar/console/rcar_printf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -94,9 +94,6 @@
 			     sizeof(t_log->header.head));
 		t_log->header.index = 0U;
 		t_log->header.size = 0U;
-#ifndef IMAGE_BL2
-		rcar_stack_generic_timer[INDEX_TIMER_COUNT] = 0U;
-#endif
 	}
 	rcar_lock_init();