Asoc:msm8974:Fix crash on audio stack due to re initialization
Asoc:msm8974:Fix crash on audio stack due to re initialization

Assigment of the pre_buck 5v and docking device structure to NULL was
done twice. Second time is after sound card registration. This causes
docking device structure to be NULL instead of valid pointer.

Change-Id: I208cddb6781e6e7cd17bb81f5bf974702eeb44fc
Signed-off-by: Tanya Finkel <30a24f834d2381f5dd15889a4409571a942d7145@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas