Added comments : gic.c, gic.h
Added comments : gic, virq, virqmap
Refactor : GIC feature, VIRQ map macro, guest context init
Fixed styling cfg_platform.h
modified: vdev.h vdev.c

modifed: trap.c trap.h

	modified:   include/vdev.h
	modified:   trap.c
	modified:   vdev/vdev.c
	modified:   vdev/vdev_gicd.c
	modified:   vdev/vdev_gicd.h
	modified:   vdev/vdev_timer.h

modified: vdev.h vdev.c

Conflicts:

	hypervisor/include/vdev.h
	hypervisor/vdev/vdev.c

	modified:   include/vdev.h
	modified:   vdev/vdev.c

modifed: trap.c trap.h

Conflicts:

	hypervisor/trap.c

	modified:   trap.c

	modified:   vdev/vdev_gicd.c
	modified:   include/vdev.h
	modified:   vdev/vdev.c
Merge branch 'v1' of https://github.com/kim6515516/khypervisor into v1

Conflicts:
	hypervisor/include/vdev.h
	hypervisor/trap.c