Merge tag 'imx-defconfig-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/shawn...

i.MX defconfig updates for 4.16:
 - Enable CPU_FREQ_STAT for cpufreq transtion statistics support.
 - Enable SRTC driver RTC_DRV_MXC_V2 for i.MX53.
 - Turn on a few drivers useful for DART-MX6 SoM support, SERDEV
   bluetooth, SERIAL_DEV_BUS, WL18XX, and DEFAULT_ON LED Trigger.

* tag 'imx-defconfig-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: enable CONFIG_CPU_FREQ_STAT
  ARM: imx_v6_v7_defconfig: enable RTC_DRV_MXC_V2
  ARM: imx_v6_v7_defconfig: Add missing config for DART-MX6 SoM

Signed-off-by: Olof Johansson <olof@lixom.net>