[arm] Refactor installer and build to allow arm builds targeted at grub platforms#11341

Merged

qiluo-msft merged 5 commits intosonic-net:masterfrom

alexrallen:sonic_arm_grub

Jul 12, 2022

Commits on Jun 13, 2022

Refactor installer and build to allow arm builds targeted at grub platforms
alexrallen
committed

Commits on Jun 27, 2022

Remove override of serial device and speed
alexrallen
committed

Commits on Jul 5, 2022

Merge branch 'master' into sonic_arm_grub
alexrallen
committed

Commits on Jul 7, 2022

Make sure all included onie-image.conf files are executed
alexrallen
committed

Commits on Jul 12, 2022

Revise calling of onie-image.conf file from installer
alexrallen
committed