Input: hp_sdc_rtc - Switch to use %ptR

Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.

Cc: Dmitry Torokhov <[e-mail]>
Signed-off-by: Andy Shevchenko <[e-mail]>
Acked-by: Dmitry Torokhov <[e-mail]>
Signed-off-by: Alexandre Belloni <[e-mail]>

drivers/input/misc/hp_sdc_rtc.c

···
 		seq_puts(m, "BBRTC\t\t: READ FAILED!\n");
 	} else {
 		seq_printf(m,
-			     "rtc_time\t: %02d:%02d:%02d\n"
-			     "rtc_date\t: %04d-%02d-%02d\n"
+			     "rtc_time\t: %ptRt\n"
+			     "rtc_date\t: %ptRd\n"
 			     "rtc_epoch\t: %04lu\n",
-			     tm.tm_hour, tm.tm_min, tm.tm_sec,
-			     tm.tm_year + 1900, tm.tm_mon + 1, 
-			     tm.tm_mday, epoch);
+			     &tm, &tm, epoch);
 	}
 
 	if (hp_sdc_rtc_read_rt(&tv)) {