ptdump: split help printf

The help text is getting quite big.  Split the single printf() into one printf()
per line of output.

Also print the output to stdout instead of stderr to align with ptxed.

Change-Id: I5eed339d4b3a51ac2a82f3108128e8d900d25ad1
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
1 file changed