kconfig: fix set but not used variables
kconfig: fix set but not used variables

Some variables were being set but never used, which was triggering
warnings in GCC >= 4.6.

Signed-off-by: Lucas De Marchi <06f6c196cc495faed3f1e11c3fa8ee6602a37ebc@profusion.mobi>
Signed-off-by: Arnaud Lacombe <9d114c1f015f0067c68cae2355c88f5c25c17052@gmail.com>

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