compat-wireless: adjust pr_fmt patch some more

compat-wireless: adjust pr_fmt patch some more

Only printk.h is neeeded, no need to include kernel.h

mcgrof@flash ~/devel/compat-wireless (git::master)$ time ckmake; time ckmake
Trying kernel                  3.4.0-030400rc4-generic  [OK]
Trying kernel                     3.3.3-030303-generic  [OK]
Trying kernel                     3.2.2-030202-generic  [OK]
Trying kernel                    3.1.10-030110-generic  [OK]
Trying kernel                    3.0.18-030018-generic  [OK]
Trying kernel                  2.6.39-02063904-generic  [OK]
Trying kernel                  2.6.38-02063808-generic  [OK]
Trying kernel                  2.6.37-02063706-generic  [OK]
Trying kernel                  2.6.36-02063604-generic  [OK]
Trying kernel                  2.6.35-02063512-generic  [OK]
Trying kernel                  2.6.34-02063410-generic  [OK]
Trying kernel                  2.6.33-02063305-generic  [OK]
Trying kernel                  2.6.32-02063255-generic  [OK]
Trying kernel                  2.6.31-02063113-generic  [OK]
Trying kernel                  2.6.30-02063010-generic  [OK]
Trying kernel                  2.6.29-02062906-generic  [OK]
Trying kernel                  2.6.28-02062810-generic  [OK]
Trying kernel                    2.6.27-020627-generic  [OK]
Trying kernel                    2.6.26-020626-generic  [OK]
Trying kernel                    2.6.25-020625-generic  [OK]
Trying kernel                    2.6.24-020624-generic  [OK]

real    94m39.991s
user    287m51.955s
sys     26m37.828s

real    18m20.621s
user    41m8.998s
sys     8m59.742s

Signed-off-by: Luis R. Rodriguez <mcgrof@frijolero.org>