main/lk2nd: upgrade to 0.13.0

Changes:

• Support for the huawei-g7 display panel in lk1st
• FS based boot is skipped when going to the recovery
• Generate also 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