mali/ux500: GPU OC 1.0.1

1. Adjust DVFS table
2. Get rid of setting boost index manually
3. Various changes, code style

Signed-off-by: cocafe <cocafehj@gmail.com>

fusion of multiple commit:
- https://github.com/cocafe/i9070_kernel_CoCore-E/commit/b3a798080dff0cc078a25a179705c6036813511e
- https://github.com/cocafe/i9070_kernel_CoCore-E/commit/9372f3e6c17d79961613febde0b464cacd559d99
- https://github.com/cocafe/i9070_kernel_CoCore-E/commit/0da221c5d542a77127d6ebf617f7c0e3ceb8b818
- https://github.com/cocafe/i9070_kernel_CoCore-E/commit/47cac1c6f0a032aeea6dc3bb0afad9cc879ec524
- https://github.com/cocafe/i9070_kernel_CoCore-E/commit/7ee7cceaca5a0726e63c5835c9ce327fade47ad3
Enabling Multi-core scheduler support
Multi-core scheduler support improves the CPU scheduler's decision making when dealing
with multi-core CPU chips at a cost of slightly increased overhead in some places.