Reorder log level macro definitions for clarity
Reorder log level macro definitions for clarity

The definitions of the logging macros are reordered to be consistent
with the definitions of the log levels.

Change-Id: I6ff07b93eb64786ff147d39014d1c8e15db28444
Signed-off-by: John Tsichritzis <c5e6a94b5ed6b01ab911c6a4e005fdf814669fe4@arm.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware