Merge pull request #194 from joohyun0115/v1

interrupt : change injection map due to enabled guest injection
Added comments for large physical address extensions.
Added comments for virtual mode memory management.
Added comments for hyp mode memory management.
Added comments for symmetric multiprocessing.
Merge pull request #195 from xiane/comment

Added comments and fixed address masking definition.
Removed unnecessary function : trap_hvc_dabort() in trap.h
Removed empty line in function : trap.c
Added comments as doxygen style : trap.[ch]
Merge pull request #196 from kim6515516/myeung2

Removed unnecessary function, Added commnets trap.[ch]
Fixed IRQ number
Added comments for generic timer
Merge pull request #197 from HyeJi/v1

Fixed IRQ number
interrupt : fixed incorrect register checking routine & change injection