BoardConfig: Set 'systempart' & 'datapart' kernel cmdline options

This is required for the Halium initramfs to boot from /system.

Author: Vince1171

BoardConfig.mk

@@ -61,6 +61,8 @@ TARGET_USES_64_BIT_BINDER := true
 
 # Kernel
 BOARD_KERNEL_CMDLINE := androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x37 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 boot_cpus=0-7 selinux=permissive
+BOARD_KERNEL_CMDLINE += systempart=/dev/disk/by-partlabel/system
+BOARD_KERNEL_CMDLINE += datapart=/dev/disk/by-partlabel/userdata
 BOARD_KERNEL_BASE := 0x00000000
 BOARD_KERNEL_PAGESIZE := 4096
 BOARD_KERNEL_TAGS_OFFSET := 0x00000100