drivers:input: cleanup zeus key driver
Latona uses Zeus Key Driver for Power and Home Button.
Volume Keys are handled by the TWL4030-Keypad.
Rename the zeus_powerbutton to zeuskey_driver.
Fix debugging flags
Change platform driver name accordingly.
drivers:switch: merge zeus earkey driver with zeus key
Move the platform data for Headset button into zeus key
Move the header file for switch gpio to board code
drivers:atmel: change input device name
drivers:ipc_spi: changes to IRQ Handling
Get rid of tasket to schedule semaphore operations.
Do not use enable and disable irq operations. Use RISING IRQ Trigger instead.
Use kthread instead of kernel_thread
mach:opp: update opp frequencies
defconfig: switch to preemptible RCU
Revert "mach: prevent disabling uart clock"

This reverts commit 641e63b22a2e6697f1a2acc96c5264db66e3ea4d.
Revert "mach: prevent UART3 from being disabled by the hwmod"

This reverts commit fc40e813396bd809264baa525946da638f073f11.
Revert "mach:hwmod: disable uart3 warnings"

This reverts commit 6b45d006eacef232aa1864cbe2a77bf05d94f7f5.