RTC for 4.18 Subsystem: - rework of the rtc-test driver which allows to test the core more thoroughly - rtc_set_alarm() now fails early when alarms are not supported Drivers: - mktime is now replaced by mktime64 - RTC range added for 88pm80x, ab-b5ze-s3, at91rm9200, brcmstb-waketimer, ds1685, ftrtc010, ls1x, mxc_v2, rx8581, sprd, st-lpc, tps6586x, tps65910 and vr41xx - Fixed a possible race condition in probe functions - pxa: fix the probe function that is broken since v4.3 - stm32: now supports stm32mp1