BoardConfig-common.mk: restore boot image version 3

Some of the components don't handle bootimage v4 yet.

Bug: 183237066
Bug: 183896891
Signed-off-by: Oleg Matcovschi <omatcovschi@google.com>
Change-Id: Ie8764f2d7da452f1941b0001c0c4be51f56e3a44
diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index f0c14f9..99fce59 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -43,7 +43,7 @@
 
 BOARD_KERNEL_CMDLINE += dyndbg=\"func alloc_contig_dump_pages +p\"
 BOARD_KERNEL_CMDLINE += earlycon=exynos4210,0x10A00000 console=ttySAC0,115200 androidboot.console=ttySAC0 printk.devkmsg=on
-BOARD_BOOTCONFIG += androidboot.boot_devices=14700000.ufs
+BOARD_KERNEL_CMDLINE += androidboot.boot_devices=14700000.ufs
 BOARD_KERNEL_CMDLINE += cma_sysfs.experimental=Y
 
 TARGET_NO_BOOTLOADER := true
@@ -357,7 +357,7 @@
 #BOARD_KERNEL_PAGESIZE    := 2048
 #BOARD_KERNEL_OFFSET      := 0x80000
 #BOARD_RAMDISK_OFFSET     := 0x4000000
-BOARD_BOOT_HEADER_VERSION := 4
+BOARD_BOOT_HEADER_VERSION := 3
 BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 
 # Enable AVB2.0