build.config: incorporation of le ramdisk for waipio_le

Switch to LE ramdisk for waipio_le to align to what product side is using.

Change-Id: I62c2bd1447011c3098a7fd0d1139c28d57d7cbe5
Signed-off-by: Mukesh Pilaniya <[email protected]>

build.config.waipio_le

@@ -29,6 +29,7 @@ MODULES_LIST_ORDER="1"
 
 VM_SIZE_EXT4=270000000
 DUMMY_IMG_SIZE=4096
+PREFERRED_USERSPACE=le
 
 ################################################################################
 ## Inheriting MSM configs