Device: MSM8226: Add support for firmware upgrade on 8226

Write to the firmware upgrade sysfs nodes on boot
to provide auto upgrade feature for synaptic
controllers on 8226.

CRs-Fixed: 573512
Change-Id: I962f4e7b3efcdcbf33f145f94d6a9a54c3e56ec7
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 18005c8..985f542 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -90,6 +90,9 @@
 TARGET_INIT_VENDOR_LIB := libinit_msm
 TARGET_RECOVERY_UPDATER_LIBS := librecovery_updater_msm
 
+#Add support for firmare upgrade on 8226
+HAVE_SYNAPTICS_I2C_RMI4_FW_UPGRADE := true
+
 # Board specific SELinux policy variable definitions
 BOARD_SEPOLICY_DIRS := \
        device/qcom/common/sepolicy