[msm8660] Update restart reason address from ebi to imem

Move restart reason to be saved in imem instead of ebi to ensure
this stays valid across reboots.

Change-Id: Ic3db7d585c67d76d65be80f9546fc9679bd14c22
diff --git a/target/msm8660_surf/init.c b/target/msm8660_surf/init.c
index 16dd618..d1e747b 100755
--- a/target/msm8660_surf/init.c
+++ b/target/msm8660_surf/init.c
@@ -177,7 +177,7 @@
 unsigned check_reboot_mode(void)
 {
 	unsigned restart_reason = 0;
-	void *restart_reason_addr = 0x401FFFFC;
+	void *restart_reason_addr = 0x2A05F010;
 
 	/* Read reboot reason and scrub it */
 	restart_reason = readl(restart_reason_addr);