Updated default configs for hammerhead

arch/arm/configs/hammerhead_defconfig

@@ -541,7 +541,6 @@ CONFIG_ANDROID_LOGGER=y
 CONFIG_ANDROID_RAM_CONSOLE=y
 CONFIG_PERSISTENT_TRACER=y
 CONFIG_ANDROID_TIMED_GPIO=y
-CONFIG_ANDROID_LOW_MEMORY_KILLER=y
 CONFIG_SPS=y
 CONFIG_USB_BAM=y
 CONFIG_SPS_SUPPORT_BAMDMA=y
@@ -590,3 +589,20 @@ CONFIG_SECURITY_SELINUX=y
 CONFIG_CRYPTO_NULL=y
 CONFIG_CRYPTO_TWOFISH=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
+
+# Added for Mer
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_FANOTIFY=y
+CONFIG_ANDROID_PARANOID_NETWORK=n
+CONFIG_RTC_DRV_CMOS=y
+CONFIG_ANDROID_LOW_MEMORY_KILLER=n
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_HOTPLUG=y
+CONFIG_INOTIFY_USER=y
+CONFIG_PROC_FS=y
+CONFIG_SIGNALFD=y
+CONFIG_SYSFS=y