smdk4412: Provide available freq sysfs for exynos.

Needed for the frequency slider in Performance Settings to work properly.

Change-Id: If01258234d216a1ee37fb7b090c012b3d6cd09be
drivers: ump: fix build on few hosts

Change-Id: Icbfc3804f46b997d0e6e01e39d9e8925014fd1be
drivers: sensorhub: fix compile

Change-Id: Ice06c873e4f2fe50ccb1a4cac5ac761e4a872bd3
firmware: fix meaningless error messages

Change-Id: I15b5015339fcae764602fe1f8b766b42ac9d9908