hikey: Adjust system partition size to its max value

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 4cf8222..4332fd0 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -38,7 +38,7 @@
 BOARD_USES_GENERIC_AUDIO := true
 USE_CAMERA_STUB := true
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1342177280
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1610612736
 ifeq ($(TARGET_USERDATAIMAGE_4GB), true)
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 1595915776
 else