[kernel][headers] flip remaining headers to #pragma once Mostly older LK code that wasn't using it. Change-Id: I57464f1621f8d5b06601a90cf1d6e4124916762d
[kernel][debugcommands] c++ify the debugcommands module No functional change, but also needed to tweak endian.h to be more c++ friendly. Change-Id: I59c3f1578dab383b81e97a2c9f7d29c59e46bd66
[magenta] Initial commit