hammerhead: set tags_offset for BOARD_MKBOOTIMG_ARGS

Change-Id: I264dd67c4cb23170524fa640e7e531f4a543935b
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 59e5c7a..d511ea7 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -25,10 +25,9 @@
 
 BOARD_KERNEL_BASE := 0x00000000
 BOARD_KERNEL_PAGESIZE := 2048
-BOARD_KERNEL_TAGS_OFFSET := 0x02700000
 
 BOARD_KERNEL_CMDLINE := console=ttyHSL0,115200,n8 androidboot.hardware=hammerhead user_debug=31 vmalloc=400M maxcpus=4 lpj=192411 msm_watchdog_v2.enable=1
-BOARD_MKBOOTIMG_ARGS := --ramdisk_offset 0x02900000
+BOARD_MKBOOTIMG_ARGS := --ramdisk_offset 0x02900000 --tags_offset 0x02700000
 
 BOARD_USES_ALSA_AUDIO := true