boot-qemu.sh: Add the ability to debug with GDB#5

Merged

nathanchance merged 2 commits intoClangBuiltLinux:masterfrom

nathanchance:gdb

Apr 23, 2020

Commits on Apr 21, 2020

boot-qemu.sh: Add the ability to debug with GDB
nathanchance
committed

Commits on Apr 22, 2020

boot-qemu.sh: Add message when GDB debugging option is used
nathanchance
committed