EXYNOS5420 MIF: unlock MIF 933 MHz & set for CPU 2.0+ GHz freq [halaszk]
opp: De-obscurify OPP structs and disclose find_device_opp [AndreiLux]
Move definitions of OPP structs in the header file so that its members are public and the struct is no longer obscure.

Define interface for find_device_opp in the header file.
Conflicts:
include/linux/opp.h
devfreq: add Exynos 5420 MIF voltage control [AndreiLux]
devfreq: add Exynos 5420 INT voltage control [AndreiLux]
MIF / INT fix [halaszk]
MIF / INT: allow 6250 mV increments
EXYNOS5420 MIF: set 800 MHz for CPU 2.0 GHz freq