main/lk2nd: upgrade to 0.13.0 (MR 3554)

- Support for the huawei-g7 display panel in lk1st
- FS based boot is skipped when going to the recovery
- Generate image without appended dtb for lk2nd-msm8226
- Some bug fixes and device improvements

New devices:
 - Samsung Galaxy Ace 4 (SM-G357FZ)
 - Samsung Galaxy Grand 2 (SM-G7102)
 - Samsung Galaxy Grand Max (SM-G720AX)
 - Samsung Galaxy Tab 4 10.1 (2014) (SM-T530)
 - Huawei Ascend G6 L11 LTE
 - Some new variants for the existing Samsung devices

Changelog: https://github.com/msm8916-mainline/lk2nd/releases/tag/0.13.0