b43: LP-PHY: Revert to the original PHY register write routine
b43: LP-PHY: Revert to the original PHY register write routine

After some discussion on IRC about the PHY register write change,
I am not sure anymore if this is the right thing to do.

Signed-off-by: Gábor Stefanik <3c01b9df2dcbc9b2e34b4fd5bf99abe9cef4878b@gmail.com>
Signed-off-by: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs