Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

i2c: Add Microcrystal RV3032 RTC driver

This is a simple RTC driver for the rv3032 from Microcrystal.
Just the basic functionality is implemented (no timer, alarm etc ..).

Sponsored by: Beckhoff Au

i2c: Add Microcrystal RV3032 RTC driver

This is a simple RTC driver for the rv3032 from Microcrystal.
Just the basic functionality is implemented (no timer, alarm etc ..).

Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D41995

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