fix the rtc bug

more info: http://www.linux-mips.org/archives/linux-mips/2011-12/msg00191.html

target/linux/xburst/patches-3.2/0029-rtc-jz4740-fix-hwclock-give-time-out.patch

@@ -0,0 +1,25 @@
+From 9845c1745d3d531a5b9544f5322c62bfb4d4e9bc Mon Sep 17 00:00:00 2001
+From: Xiangfu <xiangfu@openmobilefree.net>
+Date: Fri, 16 Mar 2012 17:48:45 +0800
+Subject: [PATCH 29/29] rtc: jz4740 fix hwclock give time out
+
+---
+ drivers/rtc/rtc-jz4740.c |    2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
+index b647363..50c5df0 100644
+--- a/drivers/rtc/rtc-jz4740.c
++++ b/drivers/rtc/rtc-jz4740.c
+@@ -280,6 +280,8 @@ static int __devinit jz4740_rtc_probe(struct platform_device *pdev)
+ 		}
+ 	}
+ 
++	jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_1HZ_IRQ, 1);
++
+ 	return 0;
+ 
+ err_free_irq:
+-- 
+1.7.5.4
+