staging: Remove prima wlan driver
staging: Add prima wlan driver 3.2.3.172

Although kernel module can be loaded with the native firmware.

But it is incompatible with Sony's, and WiFi can not turn on.
msm8974-gpu: 550MHz overclocking

Signed-off-by: cocafe <cocafehj@gmail.com>
Merge branch 'master' of github.com:cocafe/C6902_kernel_CoCore-Z
Update private .gitignore

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