[PATCH net-next v2] drivers: atm: Follow the indentation coding standard on printks

[Carlos Bilbao]

Fix indentation of printks that start at the beginning of the line. Change this 
for the right number of space characters, or tabs if the file uses them. 

Signed-off-by: Carlos Bilbao <bilbao@xxxxxx>
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Changelog: 
- Replaced printk for DPRINTK on suni.c
- Directly removed the #if 0 printks.
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